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Running head: EMPLOYEE ENGAGEMENT INSTRUMENTS 1 Employee Engagement Instruments: A Review of the Literature Sowath Rana* University of Minnesota [email protected] Alexandre Ardichvili University of Minnesota [email protected] *Corresponding author Submission Type: Working Paper Stream: Employee Engagement Submitted to the UFHRD Conference 2015, University College Cork, Ireland

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Running head: EMPLOYEE ENGAGEMENT INSTRUMENTS 1

Employee Engagement Instruments: A Review of the Literature

Sowath Rana*

University of Minnesota

[email protected]

Alexandre Ardichvili

University of Minnesota

[email protected]

*Corresponding author

Submission Type: Working Paper

Stream: Employee Engagement

Submitted to the UFHRD Conference 2015, University College Cork, Ireland

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EMPLOYEE ENGAGEMENT INSTRUMENTS 2

Abstract

Purpose: The purpose of this study is to conduct a comprehensive literature review of the major

instruments used to measure employee engagement.

Methodology: We conducted a structured review of published instruments measuring employee

engagement in the current literature.

Findings: This study provides numerous significant findings with regard to what scales are

available, what their properties are, and how they have been used.

Implications: Our findings suggest that the instruments require more rigorous testing and that

more evidence of validity and reliability for the scales is needed. In addition, scholars and

practitioners should pay specific attention to the appropriateness of the scales before employing

any of them.

Originality/Value: We believe that this paper can make a significant contribution to the

literature on engagement. It aims to provide a comprehensive review of the major engagement

instruments as regards a specific set of assessment criteria.

Keywords: Employee engagement, work engagement, instrument, measurement,

operationalization

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EMPLOYEE ENGAGEMENT INSTRUMENTS 3

Employee Engagement Instruments: A Review of the Literature

Employee engagement has generated great interest among Human Resource

Development scholars over the past few years (Kim, Kolb, and Kim, 2012; Rana, Ardichvili, and

Tkachenko, 2014; Rurkkhum and Bartlett, 2012; Shuck, Reio, and Rocco, 2011; Shuck and

Wollard, 2010; Soane, Truss, Alfes, Shantz, Rees, and Gatenby, 2012; Wollard and Shuck,

2011). Engagement is defined as the “harnessing of organization members’ selves to their work

roles” (Kahn, 1990, 694). When engaged, organizational members express themselves

cognitively, behaviorally, and emotionally during role performance (Kahn, 1990; Shuck and

Wollard, 2010). In contrast, personal disengagement refers to the “uncoupling of selves from

work roles,” during which process people withdraw and defend themselves physically,

cognitively, or emotionally while performing those tasks (Kahn, 1990, p. 694). Over the past two

decades, significant efforts have been made by scholars to study engagement and by practitioners

to develop organization development (OD) related interventions to raise the levels of

engagement among organizational members. Such strong interest is not surprising, given that

engagement has been shown to be related to a number of important organizational outcomes such

as job satisfaction, organizational commitment (Saks, 2006), organizational citizenship behavior

(Rurkkhum and Bartlett, 2012; Saks, 2006); intention to turnover (Shuck et al., 2011); and

performance (Kim et al., 2012).

Despite the attention, a debate still exists among engagement scholars over the

operationalization and measurement of the construct. Kahn (1990, 1992), whose work has been

largely credited with laying a foundation that undergirds much of the engagement research, did

not offer an operationalization of the construct. The Maslach-Burnout Inventory (MBI),

developed by Maslach and Leiter (1997), has been heavily criticized for measuring engagement

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EMPLOYEE ENGAGEMENT INSTRUMENTS 4

along the same continuum as the three dimensions of the burnout construct: exhaustion,

cynicism, and efficacy (Schaufeli, Salanova, Gonzalez-Roma, and Bakker, 2002). Later, the

Utrecht Work Engagement Scale (UWES), developed by Schaufeli et al. (2002), has become one

of the most widely used instruments in engagement research. However, despite its popularity,

questions still arise over the issue of “construct redundancy” between engagement and burnout

(Cole, Walter, Bedeian, and Boyle, 2012, p.1576). Cole et al. (2012) found that the UWES is

“empirically redundant with a long-established, widely employed measure of job burnout (viz,

MBI)” (p.1576). Finally, Soane et al.’s (2012) study – seemingly the only publication in the

HRD literature that has attempted to develop an engagement instrument – took a slightly

different route and proposed the Intellectual, Social, Affective Engagement Scale (ISA

Engagement Scale), which comprised of three components of engagement: intellectual, social,

and affective engagement.

The aforementioned examples demonstrate that despite the intuitive appeal of the

engagement concept, there is little agreement as to how the construct should be measured.

Therefore, it is especially important for HRD scholars, practitioners, and students to understand

the strengths and shortcomings of the various popular engagement instruments in order to

advance research on the topic.

The purpose of this study, therefore, is to conduct a comprehensive literature review of

the major instruments used to measure employee engagement. The overarching research

questions for this study are: (1) What instruments are available for measuring employee

engagement? (2) What are the characteristics of those instruments? and (3) What are the

strengths and weaknesses of these instruments?

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EMPLOYEE ENGAGEMENT INSTRUMENTS 5

The seven instruments reviewed in this study are: the Gallup Workplace Audit (GWA;

Harter, Schmidt, and Hayes, 2002), the UWES (Schaufeli et al., 2002), the Psychological

Engagement Measure (May, Gilson, and Harter, 2004), the Job and Organization Engagement

Scales (Saks 2006), the Job Engagement Measure (Rich, LePine, and Crawford, 2010), the

Employee Engagement Survey (James, McKechnie, and Swanberg, 2011), and the ISA

Engagement Scale (Soane et al., 2002). The unit of analysis for the study is the instrument; thus,

reasonable attempts were made to obtain a full copy of the instruments reviewed along with any

relevant full-text publications.

We believe that this paper can make a significant contribution to the literature on

engagement. It aims to provide a comprehensive review of the major engagement instruments as

regards the assessment criteria discussed above. In addition, findings from this study will offer

important insights and implications to HRD scholars and practitioners who are interested in

conducting engagement research.

Methodology

We conducted a structured review of published instruments measuring employee

engagement. We searched various databases including Google Scholar, Eric, Emerald, PsycInfo,

and ABI/Inform. We also reviewed academic journals such as Academy of Management Journal,

Human Resource Development International, Human Resource Development Review, Journal of

Applied Psychology, Journal of Organizational Behavior, books, and other relevant publications.

These journals were selected because of their recognized status as leading HRD, management,

and applied psychology journals that regularly publish engagement-related literature. Finally,

we traced the list of references of the publications in order to identify potential relevant

instruments.

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EMPLOYEE ENGAGEMENT INSTRUMENTS 6

Search terms included: employee engagement, work engagement, engagement, tool,

assessment, instrument, or evaluation. The tools had to be available in English and accessible to

scholars and researchers, designed for quantitative analysis. Furthermore, information had to be

available on psychometric and other evaluations, including validity and/or reliability. We limited

our searches to after 1990 because the term ‘engagement’ was first coined by William Kahn in

his publication in the Academy of Management Journal in 1990. Upon identifying the available

instruments, we sought to obtain a copy of each publication of the instruments. The measures

and their corresponding publications were carefully reviewed by the authors of this paper.

The assessment framework for the review of engagement instruments centers around a set

of criteria: (a) instrument description, (b) psychometric properties, and (c) criticisms of the

instrument. The description criterion focuses on the instrument’s constitutive definition of

engagement, development (how it was developed; e.g., through building on other instruments),

development date, intended purpose, dimensions, and population tested. The psychometric

properties focus specifically on evidence of validity and reliability provided by the publication

authors. Finally, the study also discusses any documented comments or criticism of the

instruments.

Results

Our review of the literature yielded seven relevant instruments aimed at measuring the

engagement construct. As Table 1 suggests, we identified the types of the instruments and

sample items of the measures. We also provided a summary of the purpose of the publication of

each instrument, the definition(s) of engagement used, and the theoretical framework that

undergirds the development of each measure. We also summarized the population and samples

of each study and reported the reliability and validity of each instrument.

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Tool and Reference Instrument Description Publication’s

intended purposeDefinition of engagement Development Population Tested Reliability Validity

The Gallup Workplace Audit (GWA)

Harter, Schmidt, and Hayes (2002)

12-item questionnaire; five-point scale ranging from ‘Strongly Disagree’ to ‘Strongly Agree’

Sample items: I know what is expected of me at work.

The mission or purpose of my company makes me feel my job is important.

Using meta-analysis to explore the relationship between “employee satisfaction-engagement” and various outcomes – customer satisfaction, productivity, profit, employee turnover, and accidents (p. 268).

“Individual’s involvement and satisfaction with as well as enthusiasm for work” (p. 269)

Developed based on studies of work satisfaction, motivation, supervisory practices, and work-group effectiveness

This study was based on a Gallup database of 7,939 business units – not individual employees – in 36 companies.

Cronbach’s α (overall instrument) at the business-unit level of analysis = .91

The items measure “processes and issues that are actionable at (i.e., under the influence of) the work group’s supervisor or manager” (p. 269)

“Both overall satisfaction and engagement showed generalizability across companies in their correlation with customer satisfaction–loyalty, profitability, productivity, employee turnover, and safety outcomes” (p. 273)

The Utrecht Work Engagement Scale (UWES)

Schaufeli, Salanova, Gonzalez-Roma, and Bakker (2002)

17-item questionnaire; seven-point scale ranging from ‘never’ to ‘always/everyday’

Sample items: When I get up in the morning, I feel like going to work. (Vigor)

I am enthusiastic about my job. (Dedication)

When I am working, I forget everything else around me. (Absorption)

To examine the factorial structure of a new instrument to measure engagement

To assess the relationship between engagement and burnout and examine the factorial structure of the Maslach-Burnout Inventory-General Survey (MBI-GS)

“A positive, fulfilling, work-related state of mind that is characterized by vigor, dedication, and absorption” (p. 74)

Built on the burnout literature (particularly the MBI scale); argues that burnout and engagement should be measured independently with different instruments.

Sample 1: 314 undergrad students of the University of Castellon, Spain

Sample 2: 619 employees from 12 Spanish private and public companies.

Cronbach’s α for the three dimensions:

Vigor: .78 (students) and .79 (employees)

Dedication: .84 (students) and .89 (employees)

Absorption: .73 (students) and .72 (employees)

Three scales were developed to measure the three engagement dimensions (vigor, dedication, and absorption), in accordance with the authors’ constitutive definition of the construct

Results showed that the burnout and engagement scales were significantly and moderately negatively related

May et al.’s Psychological Engagement Measure

13-item questionnaire measuring engagement (cognitive, emotional, and physical); five-point scale ranging from ‘Strongly Disagree to Strongly Agree’

To explore the determinants and mediating effects of the three psychological conditions – meaningfulness, safety and

Utilized Kahn’s (1990) definition of engagement at work

Built mainly on Kahn’s (1990) study. Psychological Engagement scales were developed to measure the three components of Kahn’s psychological engagement: cognitive,

213 employees at a large insurance firm located in Midwestern US

Cronbach’s α (overall psychological engagement scale) = .77

Three scales were developed to measure the three dimensions (cognitive, emotional, and physical) dimensions of Kahn’s theorized psychological engagement

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May, Gilson, and Harter (2004)

Sample items:Performing my job is so absorbing that I forget about everything else. (Cognitive)

I get excited when I perform well on my job. (Emotional)

I exert a lot of energy performing my job. (Physical)

availability – developed by Kahn (1990) on employee engagement in their work

emotional, and physical engagement.

Significantly related to the three psychological conditions of meaningfulness, safety and availability

Saks’ Job Engagement and Organization Engagement Scales

Saks (2006)

Two six-item questionnaires for job engagement and organization engagement; five-point scale ranging from ‘Strongly disagree’ to ‘Strongly agree’

Sample items:I really “throw” myself into my job. (Job engagement)

This job is all consuming; I am totally into it. (Job engagement)

Being a member of this organization is very captivating. (Org. engagement)

I am highly engaged in this organization.(Org. engagement)

To test a model of the antecedents and consequences of job and organization engagements based on social exchange theory

The author built on the definitions provided by various other well-known scholars

Based on social exchange theory (SET) and review of existing literature

102 employees working in a variety of jobs and organizations, mainly in Canada

Cronbach’s α (Job engagement scale) = .82

Cronbach’s α (Organization engagement scale) = .90

A principal components factor analysis with a promax rotation resulted in two factors that corresponded to job and organization engagements. The two scales were developed to measure the two types of engagement, as proposed by the author.

Results suggested that there is a meaningful difference between job and organization engagements.

Significantly related to other constructs including perceived organizational support, procedural justice, job satisfaction, organizational commitment, intentions to quit, and organizational citizenship behavior.

Rich et al.’s Job Engagement Measure

18-item questionnaire; five-point scale ranging from ‘Strongly Disagree to ‘Strongly Agree’

To draw on Kahn’s (1990) work to “develop a theory that positions engagement as a key

Utilized Kahn’s (1990) definition of engagement at work

Drew on Kahn’s (1990) theory to describe how engagement “represents the simultaneous investment” of cognitive,

245 full-time US firefighters and their supervisors

Cronbach’s α (overall job engagement scale) = .95

Three scales were developed to measure the three dimensions (cognitive, emotional, and physical) dimensions of Kahn’s

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Rich, LePine, and Crawford (2010)

Sample items: At work, my mind is focused on my job. (Cognitive)

I am enthusiastic in my job. (Emotional)

I work with intensity on my job. (Physical)

mechanism explaining the relationships among a variety of individual characteristics and organizational factors and job performance.” (p. 617)

affective, and physical energies” (p. 617)

Searched the literature for scales and items that fit Kahn’s definitions of the three engagement dimensions; developed a scale that measures those dimensions

theorized psychological engagement

Significantly related to job satisfaction, value congruence, perceived organizational support, core self-evaluations, task performance, and organizational citizenship behavior

James et al.’s Employee Engagement Survey

James, McKechnie, and Swanberg (2011)

8-item questionnaire; five-point scale ranging asking respondents the extent to which they agreed or disagreed

Sample itemsIt would take a lot to get me to leave Citisales. (Cognitive)

I really care about the future of Citisales. (Emotional)

I would highly recommend Citisales to a friends seeking employment. (Behavioral)

To examine six dimensions of job quality (supervisor support, job autonomy, schedule input, schedule flexibility, career development opportunities, and perceptions of fairness) for their impact on employee engagement among older and younger workers in a large retail setting.

Utilized Kahn’s (1990) definition of engagement at work

Utilized social exchange theory and the norm of reciprocity as framework

Reviewed relevant literature on engagement, including Kahn (1990) and Schaufeli et al. (2002)

The engagement measure was developed for Citisales by an external vendor

6047 Citisales employees in 352 stores in three regions of the U.S.

Cronbach’s α (overall scale) = .91

The scale sought to measure the cognitive, emotional, and behavioral aspects of engagement

Engagement was significantly related to other constructs, specifically supervisor support and recognition, schedule satisfaction, career development and promotion, and job clarity

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The Intellectual, Social, Affective Engagement Scale (ISA engagement Scale)

Soane, Truss, Alfes, Shantz, Rees, and Gatenby (2012)

Nine-item questionnaire; seven-point scale ranging from ‘strongly disagree’ to ‘strongly agree’

Sample items: I focus hard on my work. (Intellectual)

I share the same work values as my colleagues. (Social)

I feel energetic in my work. (Affective)

To develop an engagement model that has three requirements: a work-role focus, activation, and positive affect

To operationalize this model using a new measure that comprises of three dimensions: intellectual, social, and affective engagement.

Proposed that engagement has three underlying facets:

Intellectual engagement: “the extent to which one experiences a state of positive affect relating to one’s work role” (p. 532)

Affective engagement: “the extent to which one experiences a state of positive affect relating to one’s work role” (p. 532)

Social engagement: “the extent to which one is socially connected with the working environment and shares common values with colleagues” (p. 532)

Review of the literature and related instruments

Study 1: 540 employees of a UK-based manufacturing company

Study 2: 1486 UK-based employees working for a retail organization

Cronbach’s α (overall construct) = 0.91

Three scales were developed to measure the three engagement facets (intellectual, affective, and social), in accordance with the authors’ constitutive definition of the construct

Results confirmed associations between engagement and three organizational outcome variables: task performance, OCB, and turnover intentions.

ISA Engagement Scale explained additional variance in the three outcome variables after controlling for the UWES measure.

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Discussion

In this section, we discuss the findings in relation to the criteria used to evaluate the

instruments. Specifically, we provide a holistic overview of the main frameworks used,

definitions, populations and samples, and purposes of the instrument publications. We also

discuss the issues of reliability and validity and, where applicable, provide comments on the

instruments based on our review of other literature sources.

Instrument Descriptions, Definitions, Theoretical Frameworks, and Development

All seven instruments included in our review are questionnaire surveys with the number

of items ranging from 8 (James et al.’s Employee Engagement Survey) to 18 (Rich et al.’s Job

Engagement Measure). As expected, the majority of the instruments were developed based on

Kahn’s (1990) definition of engagement – the “harnessing of organization members’ selves to

their work roles” (p.694). Interestingly, Harter et al. (2002) – employing the GWA –

conceptualized engagement as “individual’s involvement and satisfaction with as well as

enthusiasm for work” (p.269) whereas Schaufeli et al. (2002) defined engagement as a “state of

mind” that is characterized by “vigor, dedication, and absorption” (p.74).

With respect to the theories or frameworks upon which the development of the measures

was based, Kahn’s (1990) psychological conditions of engagement – cognitive, emotional and

physical engagement – serve as the foundational framework for the development of the majority

of the instruments, particularly the Psychological Engagement Measure (May et al., 2004) and

the Job Engagement Measure (Rich et al., 2010). Other literature sources include theories of

motivation and job satisfaction (GWA), the burnout literature (UWES) and social exchange

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theory (Saks’ Job and Organization Engagement Scales; James et al.’s Employee Engagement

Survey).

Interestingly, the population samples on which the instruments were originally tested are

mainly Western samples, although studies attempting to validate some of the instruments in non-

Western contexts have been conducted (e.g. UWES in Japan; Shimazu, Schaufeli, Kosugi,

Suzuki, Nashiwa, Kato, Sakamoto, Irimajiri, Amano, Hirohata, and Goto, 2008). In line with

this, researchers should proceed with caution when employing a Western engagement instrument

in a non-Western context (Rothmann, 2014). In addition to the usual requirements of validity and

reliability, one should take into account the construct equivalence and bias of engagement

measures when conducting cross-cultural studies (Rothmann, 2014). Shimazu et al. (2008), for

instance, found that in the Japanese context, the expected three dimensions of the UWES (vigor,

dedication, and absorption) “collapsed and condensed into one engagement dimension” – which

implies that in Japan, engagement should be considered a unitary construct (p.519). Moreover,

the measurement accuracy of the Japanese version and the original Dutch version of the UWES

was not similar, which was possibly due to the tendency of the Japanese people to suppress their

positive affect and the likelihood of self-enhancement among the Dutch people (Shimazu,

Schaufeli, Miyanaka, and Iwata, 2010). Hence, we should be careful when interpreting the low

engagement scores among Japanese employees and high engagement scores among Western

workers (Shimazu et al., 2010).

Reliability

Reliability refers to the extent to which a measure can produce stable and consistent

results (Field, 2009; Fletcher and Robinson, 2014). For a measure to be reliable, the evaluator

needs to ascertain that its results are reproducible and stable under different conditions and

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across different time periods. There are three most commonly used types of reliability: (a) test-

retest, (b) internal consistency, and (c) inter-rater.

Test-retest reliability means that if a respondent is to retake the test under similar

conditions, his or her score would remain similar to the previous score (Fletcher and Robinson,

2014). Internal consistency reliability refers to the extent to which the test items measure the

same construct of interest. Cronbach’s alpha is widely believed to be an indicator of internal

consistency (Field, 2009). As a rule of thumb, a measure could be considered reliable if the

Cronbach’s alpha value is around .80 (Field, 2009). Finally, inter-rater reliability refers to the

degree to which the instrument yields similar results among different assessors; in other words, it

explains the level of agreement among different raters of the instrument.

The instruments reviewed in this study reported relatively high Cronbach’s alpha values

in their corresponding publications, which implies that these measures have good levels of

internal consistency reliability. However, it appears that only Cronbach’s alpha values were

reported as indicators of good reliability in those publications, which can be insufficient. Indeed,

the authors could have done more in terms of reporting the test-retest reliability as well as the

inter-rater reliability of the instruments.

On a related note, some scales developed outside of academia may not have undergone

such rigorous testing of reliability (and validity); thus, the publishers of such instruments need to

provide evidence that the scale is both reliable and valid, and that such measures are

psychometrically acceptable (Fletcher and Robinson, 2014). Given that employee engagement

has attracted a lot of attention from HR practitioners, it is imperative that these psychometric

concerns be addressed if we are to develop projects or initiatives aimed at raising engagement

levels of employees in the most effective and efficient way.

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Validity

The engagement research has been inundated with inconsistent operationalizations and

measurements, resulting in confusion as to whether the construct is both conceptually and

empirically different from other constructs (Albrecht, 2010; Christian, Garza, and Slaughter,

2011; Macey and Schneider, 2008; Truss, Delbridge, Alfes, Shantz, and Soane, 2014). In

contemplating which engagement instrument to use, interested researchers and practitioners need

to take into account three major types of validity (Fletcher and Robinson, 2014). First, ‘content

validity’ is concerned with the extent to which the measure captures the construct it is intended

to measure. Kahn (1990) argued that personal engagement represents a state, in which employees

expresses themselves “physically, cognitive, and emotionally” in their work roles (p.692).

Engagement, therefore, “should refer to a psychological connection with the performance of

work tasks rather than an attitude toward features of the organization or the job” (Christian et al.,

2011). Second, ‘convergent validity’ refers to the extent to which the construct is statistically

correlated with other similar constructs. Finally, ‘convergent validity’ is concerned with the

extent to which the engagement construct is “statistically distinct from other similar, yet different

constructs” (Fletcher and Robinson, 2014, p.280).

A measure such as the GWA has been heavily criticized for not conforming to Kahn’s

conceptualization of engagement (content validity) (Christian et al., 2011). Instead of measuring

state, as Kahn (1990) would argue, the GWA focuses on various work conditions, particularly

job characteristics such as rewards, feedback, task significance, and development opportunities

(Christian et al., 2011; Fletcher and Robinson, 2014; Macey and Schneider, 2008). As Macey

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and Schneider (2008) put it, the results from the GWA survey data “are used to infer that reports

of these conditions signify engagement, but the state of engagement itself is not assessed” (p.7).

The validity of the UWES – one of the most widely used engagement instruments around

the world – has also been under a lot of scrutiny (Saks and Gruman, 2014). Rich et al. (2010,

623), for instance, argued that the UWES includes items that “confound with the antecedent

conditions” proposed by Kahn (1990) – particularly items that ask for respondent perceptions of

meaningfulness and challenge of work – and thus do not precisely measure engagement as

originally conceptualized by him. Similarly, Saks and Gruman (2014) argued that one item of the

UWES’ dedication scale – “To me, my job is challenging.” – seems to overlap with some

engagement predictors such as autonomy or skill variety. In addition, some of the items of the

vigor scale are very similar to items measuring other constructs such as job satisfaction and

commitment.

Cole et al. (2012) also maintained that there have been questions over the issue of

“construct redundancy” between engagement and burnout (p.1576). Cole et al. (2012) employed

meta-analytic techniques to attempt to assess the extent to which job burnout and employee

engagement are “independent and useful constructs”, and found that “construct redundancy” is a

major challenge for understanding and advancing research on burnout and engagement (p.1576).

They maintained that the UWES is, based on their findings, empirically redundant with the MBI.

They also suggested that engagement researchers should avoid treating the UWES as an

instrument that measures a distinct and independent construct, and that more effort vis-à-vis the

conceptualization and operationalization of engagement is needed if we are to avoid further

confusion and advance our understanding of the engagement phenomenon.

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It is important to note that our discussion focuses largely on the GWA and the UWES

because of their ubiquitous use and because the other instruments have rarely been used

elsewhere, and in most cases used only in one study (Saks and Gruman, 2014). Nevertheless,

there are also validity concerns with other instruments. For instance, James et al. (2011) only

reported the face validity of the engagement scale in their publication. The authors claimed “the

eight items in the scale, in terms of face validity, measure the cognitive, emotional, and

behavioral aspects of engagement” (James et al., 2011, p.182). However, items such as “I would

like to be working for Citisales one year from now” and “Compared with other companies I

know about, I think Citisales is a great place to work” may measure one’s commitment to the

organization and not necessarily fully capture the cognitive aspect of engagement.

The issue of ‘discriminant validity’ – whether engagement is simply ‘old wine in a new

bottle’ – has also been a major concern for engagement researchers. Some scholars have argued

that there is a lot of similarity between engagement and other well-established constructs such as

job satisfaction, commitment, and job involvement, whereas others disagree and have found that

engagement is a “novel and valuable” concept (Fletcher and Robinson, 2014, p.280). Clearly,

more research is needed for us to advance our understanding of the construct and recognize the

extent to which engagement is of value to HRD theory and practice.

Limitations, Conclusion, and Implications for Future Research and Practice

Our review of the literature is limited in several ways. First, there are various other

engagement instruments that we did not review in this study, mainly because they exist outside

the public domain and are not accessible. Second, there are a number of assessment criteria that

we were not able to examine. For example, instrument feasibility (how difficult/convenient it is

for responders as well as administrators). This omission is mainly due to the fact that such

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information is not presented in the instrument publications or that information associated with

these other criteria is discussed in a very arbitrary and inconsistent manner by the authors of the

publications.

Despite the limitations, we believe that this study provides useful insights to engagement

scholars and practitioners with regard to what scales are available, what their properties are, and

how they have been used. Our review illustrates that while various instruments have been

developed to ‘measure’ engagement, not all scales have the same theoretical underpinnings or

methodological rigor. In addition, certain scales (e.g. UWES, Job Engagement Measure) have

been used and cited more frequently than others. It is important, therefore, that engagement

scholars and researchers carefully review each instrument’s properties and methodological

soundness before selecting an instrument to use for their research.

Our review also offers a number of implications for both research and practice. First of

all, it seems clear that all the instruments reviewed here require more rigorous testing. Indeed,

scale development is an iterative process (Hagen and Peterson, 2014); thus, more evidence of

validity and reliability for the scales is needed. In addition, given the popularity of the

engagement construct in many different countries, scholars and practitioners should pay specific

attention to the appropriateness of the scales before applying any of them in a cross-cultural

context. Needless to say, more attempts to validate the scales in non-Western contexts are

needed. Third, the inconsistent definitions and theoretical underpinnings used by the developers

of each scale could be a cause for concern. Therefore, scholars and practitioners need to review

the information about the development of various scales to see which would fit well with their

researcher questions and topics.

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