research problem and lit and theoretical framework
TRANSCRIPT
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OBJECTIVES Determine a good research
problem.(Collaborative Competencies /Creative thinking) State an acceptable researchproblem. (Communication skills /Creative Thinking)
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Research is systematic inquiry that usesdisciplined methods to answer questions orsolve problems. The ultimate goal of research is to develop,
refine, and expand a base of knowledge.
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Nursing research is systematic inquirydesigned to develop knowledge aboutissues of importance to nurses, including
nursing practice, nursing education, andnursing administration.
A scientific process that validates and refines
existing knowledgeand generates newknowledgethat directly and indirectlyinfluences nursing practice.
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With evidence based practice, researchprovides the best clinical evidence inmaking patient care decisions.
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Nurses are accepting the need tobase specific nursing actions anddecisions on evidence indicatingthat the actions are clinicallyappropriate and cost-effective,and result in positive outcomes
for clients.
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Another reason for nurses to engagein research involves the spiraling
costs of health care and the cost-containment practices being institutedin health care facilities.
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nurses need to document the effectivenessof their practice not only to the professionbut also to nursing care consumers, health
care administrators, third-party payers(e.g., insurance companies), andgovernment agencies.
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Research enables nurses to understand a particular nursing situation about which
little is known,
assess the need for an intervention,
identify factors that must be considered in planningnursing care,
predict the probable outcomes of certain nursing
decisions, control the occurrence of undesired outcomes,
provide advice to enhance client health,
and initiate activities to promote appropriate clientbehavior.
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Numerous clinical practice changes over thepast 2 decades reflect the impact of research.For example, a recent nursing study
documented that kangaroo care (the holdingof diaper-clad preterm infants skin-to-skin,chest-to-chest by parents) is now widelypracticed in neonatal intensive care units(NICUs) in the United States (Engler et al.,2002), but this is a new trend.
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As recently as the early 1990s, only a minority ofNICUs offered kangaroo care options. The adoptionof this practice reflects the accumulating evidencethat early skin-to-skin contact has clinical benefitswithout any apparent negative side effects(Anderson et al., 2003). Some of that accumulatedevidence was developed in rigorous studies by nurse
researchers in the United States, Australia, Canada,Taiwan, and other countries (Chwo et al., 2002).
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Nursing Process Research Process1. Assessment 1. Knowledge of the World of
a. Data Collection Nursingb. Data Interpretation
2. Nursing Diagnosis 2. Problem & PurposeIdentification
3. Plan 3. Methodologya. Goal Identification a. Designb. Planned Interventions b. Sample
c. Measurement4. Implementation 4. Data Collection & Analysis5. Evaluation & Modification 5. Outcomes & Disseminating
Findings
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Research Problem & Purpose
Literature Review
Study Framework
Objectives, Questions, or Hypotheses
Study Variables
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Assumptions
Limitations
Research Design
Population & Sample
Methods of Measurement
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Data Collection & Analysis
Research Outcomes
Communication of Findings
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1. Descriptive finds answer to thequestions who, what, when & where
Ex. The management styles of schooladministrators in Cebu City.
Smoking habits of health service
providers in government and privatehospitals
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3. Intervention/Experimental - evaluates theeffect or outcome of a particular
intervention or treatment Cause & effect
Ex. The effect of Group therapy on the GPAof Level 1 Nursing Students
The effect of Malunggay on the BP of
eldery men at Pasay City
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Experimental method determines thecauses & effect relationship of certainphenomena under controlled condition
Survey/Descriptive method obtains datadetermine specific characteristics of agroup
- aims to describe the relationship amongvariables rather than to infer cause &effect
- serve as a starting point of theory dev.
or hypothesis generation
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Research Problem &Purpose
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Major concepts Focused on areas of concern Key issues for practice,education, & administration Examples: Chronic pain, Acute
pain, Self-care, Coping, HealthPromotion, Respiratorypathology
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Area of Concern Gap in the knowledge base forpractice
Not previously studied Conflicting findings Omission of a group of
subjects Significant for Nursing
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What is a Researchable Problem? There is perceived discrepancy between what is
and what should be. There are two or more plausible reasons for the
discrepancy
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Patients concerns about reporting painand using analgesics are barriers toadequate pain managementDespiteextensive attention to issues of painmanagementfew studies have beenconducted testing impact of interventionon cancer painWard et al. (2000). An individualized intervention to overcomepatient-related barriers to pain management in women withgynecologic cancers. Research in Nursing & Health, 23(5), p. 394.
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Little is known about... Findings of previous studiesare conflicting Few studies of this have been
done
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Nursing Practice Researcher and Peer Interaction Literature Review Theory Research Priorities
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Clear, concise statement Goal, aim, focus, or objectiveof the study Includes variables, population,
& setting
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The purpose of this study was to describe... determine differences betweengroups... examine relationships among... determine the effect of...
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The purpose of this pilot study wasto determine if information aboutanalgesic side effects andinformation to countermisconceptions would enhancepain management inwomen withgynecologic cancer.Ward et al. (2000). An individualized intervention toovercome patient-related barriers to pain management inwomen with gynecologic cancers. Research in Nursing &Health, 23(5), p. 394.
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Current policy at most hospitals requires theuse of routine flushing of heparin locks afteradministration of medication or flushingheparin locks every 8 hours when not beingused for medication administration. However,there is disagreement on whether flushes of
low doses of heparin are necessary tomaintain the patency of heparin locks....
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1. External Criteriaa. Novelty. The practical value of the
problem due to its newness in the field ofinquiry (Polit and Beck: 2004)
b. Availability of Subjects. The existence ofpeople with the desired capability andwillingness to participate in the study; thesampling of study participants must beenough to ensure reliability and validity ofresults
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c. Institutional or Administrative Support,Sponsorship by a department or theinstitution itself to help gather data and coverthe cost of the study: permission of those
concern for participation in the study of staffmembers, the children, the aged and thementally retarded (Ardales, 1992).d. Ethical Considerations. The conduct of
research must not pose unethical demandson the part of study participants and theresearcher.
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2. Internal Criteriaa. The motivation, Interest, Intellectual Curiosityand Perceptiveness of the Researcher
The personal motive of research as cited byscientist is pure curiosity, along with genuine
interest and the anticipated satisfaction orenjoyment in pursuing research tasks throughcompletion.b. Experience, Training and ProfessionalQualifications
Knowledge and expertise as a result ofexperience, constitute the researchers tools incoping with the demands of rfesearch.
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c. Time ManagementStudies must be pursued satisfactorily
through completion within the given time frame.Thus, the researcher must set the time-table
prior to the conduct of the study.d. Costs and Returns
Research is an expensive undertaking whichrequires facilities and adequate funding which
vary with the kind and relevance of the study, themethods of research used and statistical toolsrequired in data treatment.
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e. Hazards, Penalties and HandicapsThese could come up during the pursuit
of any scientific work, which the researchershould be capable enough to cope with
intellectually, morally and materially.
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Characteristics of a Good ResearchProblem
Relevant contribute to knowledge &devt
Feasible worth the time, money &effort
Clear Ethical does not impose danger in
the research subjects
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Non-researchableProblems Researchable ProblemsShould nurses usemassage therapy?
What is therelationship betweenmassage therapy and
pain?
Is imaging any good? To what extent doesimaging affect a
patients ability tocope with healthcrises?
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The purpose of this study was toevaluate the effectiveness of normal
saline versus normal saline containing10 U/mL of heparin for maintainingheparin-loc sites.
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The purpose of this study was todescribe, at the level of thenursing care unit, therelationships among total hoursof nursing care, registered nurse(RN) skill mix, and adverse patientoutcomes (Blegen et al., 1998).
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The higher the RN skillmix, the lower theincidence of adverseoccurrenceon inpatientcare units.
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Definition:Objectives are declarativestatements which focus on theidentification and the descriptionof variables or concepts andsometimes on determination ofrelationships of variables.
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The objectives of this study were to: (a)describe the self-reported physical &mental health, disability level, & socialsupport of persons chronically ill withmultiple sclerosis; and (b) contrast rural &urban residents in relation to healthdescription, social support, & perceptionof health.
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Definition:Research questions areinterrogative statements that focuson what variables or concepts areto be described and whatrelationships might exist amongthem.
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What is the relationshipbetween reporteddepressive symptoms andrate of return to work forpatients following cardiacsurgery?
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1. Factor-isolating Questions What is this? eg. Cattegorize, name factorsandssituation eg. Demographic profile
2. Factor-relating Questions What is
happening here? eg. What is therelationship
3. Situation-relating questions What willhappen if? Eg. What are the effects
4. Situation-producing question How can Imake it happen? eg. What program
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Determine the process of coming up with areview of related literature.
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Identification of a research problem and developmentor refinement of research questions or hypothesis
Orientation to what is known and not known about anarea of inquiry
Determine any gaps or inconsistencies in a body ofresearch
Determine a need to replicate a prior study in adifferent setting or with a different study population
Identification or development of a new or refinedclinical interventions to test through empiricalresearch
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Electronic Literature Searches Mapping is a feature that allows the researcher to
search for topics in his own words, rather thanneeding a to enter a term that is exactly the same
as a subject heading in the database. The 3 electronic databases for nurse researchers
CINAHL (cumulative Index to Nursing and AlliedHealth Literature)
MEDLINE (Medical Literature On-line) ISI (Institute for Scientific Information)
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Other Useful database AIDSEEARCH
CancerLit (Cancer Literature) Cochrane Database of Systematic Reviews
Dissertation Abstracts on Line
EMBASE ( the Excerpta Medica database)
ERIC ( Education Resources Information Centerdatabase)
HAPI (Health and Psychosocial Instrumentsdatabase)
PsycINFO (Psychology Information)
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For literature review, the researcher shouldrely mostly on primary source researchreports, which are description of studieswritten by other researchers who conducted
them. Secondary research documents are
description of studies prepared by someone
other than the original researcher Literature review summaries are secondary sources
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The adaptability to identify and locatedocuments on a research topic is animportant skill that requires adaptability.
Researchers are urged to consult with
librarians or to search for updatedinformation.
Electronic Literature Searches Even whenthere are mapping capabilities, it may proveuseful on the researcher to learn the subjectheadings of the database or the key wordsthat researchers themselves identify toclassify their studies.
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If researcher wants to identify all majorresearch reports on a topic, he needs to beflexible and to think broadly about the keywords that could be related to his topic.
If the topic includes independent anddependent variables, it is necessary to doindependent searches for each.
When searching a database through acommercial vendor, it is usually possible tocombine searches to find only the referencesthat include only two or more topics.
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Screening references Abstracting and recording notes
Organizing the review - Develop outline
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Writing a literature review -
Should be objective, well-organized.
Not a series of quotes not abstracts.
Should summarize and criticallyevaluate the overall evidence so as toreveal the current state ofknowledge.
Summarized at own words
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Style of a research review
Should use phrases indicatingtentativeness of the results such as
Several researchers have found
Findings thus far suggests Results from a landmark studyindicated
The data supported the hypothesis There appears to be strong evidencethat
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1. Practicality is the reference readilyaccessible?
2. Relevance how relevant is the literature tothe issue or problem under study?
3. Studys methodologic quality the qualityof evidence the study yields
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1. Purpose of the study
2. Research design
3. Research instruments
4. Data analysis procedure
5. Implications
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1. Theory originates from the Greek wordtheorem which means a proposition to beproven.
A theory (n.) therefore, is a supposition to
account for something; system of rules andprinciples; rules and reasoning, etc., asdistinguished from practice (WebstersDictionary an Thesaurus, 1991).
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2. A Theory is a statement that is muchbroader than facts; the basis of policies andpractices in a particular discipline that givesdirection to the researchers solution of the
research problem (Polit and Hungler, 1991).
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A theory- is a broad abstract characterization of
phenomena.
- is an abstract generalization that
systematically explains relationships amongphenomena.
- Descriptive theory thoroughly describes aphenomenon.
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A theory has the following features: (1)concept, (2) construct, and (3) proposition.
CONCEPT. It is the building block of atheory; a word picture or mental idea of
phenomenon, and a word or term thatsymbolizes certain aspects of reality.Concepts may be concrete or maybe abstract:
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Concrete Abstract
The Human brain ------------Intelligence
The Human heart ------------ Care,Love
A nurse ------------ Nursing
A caregiver ------------Caregiving
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CONSTRUCT.
used to specify a phenomenon or a situationthat cannot be directly observed but needs tobe inferred by certain concrete or lessabstract indicators of the phenomenon.
takes its form from a concept which isbasically abstract.
It can be ascertained only by using certainobservable and measurable procedures.Physical health, Mental health, Wellness,Stress, Preparednes, etc,. are some examples
of construct.
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Mental Health maybe inferred through clinicalobservations or laboratory data.
A very objective indicator of physical health isthe careful assessment of laboratory data,
while clinical observation may be a lessobjective indicator of physical health.
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PROPOSITION.
- a statement or assertion of a relationshipbetween concepts.
- Theories or generalizations founded onempirical data are sources of propositional
statements.- For example, in Maslows theory of human
needs, a proposition may be stated as: Safetyneeds take precedence over self-esteem
needs.
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A model symbolically presents aphenomenon or phenomena.
a representation of some aspect of reality,
concrete or abstract, by means of a likenesswhich may be structural, pictorial,diagrammatic, or mathematical (Bush, 1979).
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Conceptual models consist of concepts and
propositions showing the relationshipsbetween the concepts.
Although in abstract forms and not ready forempirical observation, concepts identified inconceptual models may be ready for use oncethey are operationally defined and
categorized.
Conceptual models generally include commonconcepts or elements, i.e., person,
environment, health and nursing.
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In research, the overall objectives of theoriesand models are to make findings meaningful,to summarize existing knowledge intocoherent systems, to stimulate new research,
and to explain phenomena and relationshipsamong them.
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Schematic models (or conceptual maps) aregraphic representations of phenomena andtheir interrelationships using symbols ordiagrams and a minimal use of words.
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A conceptual framework is the conceptualunderpinning of a study, including an overallrationale and conceptual definitions of keyconcepts. In qualitative studies, the
framework usually springs from distinctresearch traditions.
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Several conceptual models of nursing have
been developed and have been used innursing research. The concepts central tomodels of nursing are human beings,environment, health, and nursing.
Two major conceptual models of nursingused by nurse researchers are RoysAdaptation Model and Rogers Science ofUnitary Human Beings.
Nonnursing models used by nurseresearchers (e.g., Banduras Social CognitiveTheory) are referred to as borrowed theories;
when the appropriateness of borrowed
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Orems Self-Care Model. Developed by
Dorothea Orem in the 1950s, this modelincludes concepts about self-care, self-careagency, self-care demand, self-care deficit,nursing agency, and nursing system. The
theory of nursing systems, theory of self-caredeficit, and theory of self-care haveoriginated from Orems self-care model.
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USES OF FRAMEWORK A research framework helps in the
organization of the study.
It provides a background or foundation for a
study. It supplies a context for the interpretation of
the study findings.
It is used in all quantitative studies.
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TYPES OF FAMEWORK Theoretical Framework. A theoretical
framework focuses on a broad, generalexplanation of the relationships between
concepts of interest in a research study. It isfounded on one existing theory. Combiningor merging theories (two or more) may beobserved when conducting a research.
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Conceptual Framework. A conceptualframework is used to explain therelationships between concepts. It is nottheory-based.
- links concepts lifted from various theories,previous study results, or from theresearchers own experiences.
- - relates selected concepts in a logical way.
- may be considered a less well-developedstructure than a theoretical framework, but itmay serve as a basis for a theory formulation.
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In some qualitative research traditions (e.g.,phenomenology), the researchers strives tosuspend previously held substantive theoriesof the phenomena under study; nevertheless,
there is a rich theoretical underpinningassociated with the tradition itself.
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Some qualitative researchers specifically seekto develop grounded theories, date-drivenexplanations to account for phenomenaunder study to inducted processes.
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c.4 Definition of the variables. A Variable is a characteristic or quality that
takes effect on different values. (i.e. variesfrom one person or object to another.)
c.5 Identifying the variables of the study. Continuous variables can take on an infinite
range of values along a continuum. Egweight.
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Discrete variables have a finite number ofvalues between two points. Eg. Number ofchildren.
Categorical variables have distinct categories
that do not represent a quantity (eg. Gender) Dependent (outcome) variable is the behavior,
characteristic, or outcome the researcher isinterested in understanding, explaining, or
affecting.
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The Independent variable is the presumedcause of, antecedent to, or influence on thedependent variable.
Moderator variables affects the strength or
direction of a relationship between theindependent and dependent variable.
Mediating variables intervene between theindependent and dependent variable and
helps to explain why the relationship exists.
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d. Formulating hypotheses d.1Purpose of research hypotheses
Hypothesis is a statement of predictedrelationships between two or more variables.
A testable hypothesis states the anticipatedassociation between one or more dependentvariables.
Research hypothesis predict the existence ofrelationships.
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Purposes: It unify theory and reality by evaluating theory on
the basis of observable facts or reality.
It gives direction to research by determining
research design, data collection procedures,analysis and interpretation of data. It alsodetermine the importance of data collected asexplained by a known theory.
It enhance knowledge by including criticalthinking and deepening insights. They help theresearcher in the analysis and interpretation offindings and in formulating conclusions.
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d.2Types of hypotheses Inductive hypothesis is a generalization
inferred from observed relationships.
Deductive hypothesis have a starting point
theories that are applied to particularsituations.
Simple hypothesis express a predictedrelationship between one independentvariable and one dependent variable.
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d.3Criteria considered when stating hypotheses 1. Stated in declarative form.
2. Identifies the variables.
3. Identifies the population.
4. Reflects the problem statement 5. Empirically testable.
d.4 Stating a hypothesis.
A good hypothesis is worded in clear and conciselanguage. It should be worded in the presenttense.
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Conceptual definition describes the abstractor theoretical meaning of the concepts beingstudied.
Operational definition specifies theprocedures required to measure a variable.