the idea of construct validity. construct validity theory observation causeconstructeffectconstruct...
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The Idea of Construct ValidityThe Idea of Construct ValidityThe Idea of Construct ValidityThe Idea of Construct Validity
Construct ValidityConstruct Validity
TheoryTheoryTheoryTheory
ObservationObservationObservationObservation
CauseCauseConstructConstruct
EffectEffectConstructConstruct
ProgramProgram ObservationsObservations
What you What you dodo What you What you seesee
What you What you thinkthink
cause-effect constructcause-effect construct
program-outcome relationshipprogram-outcome relationship
Can we generalize to the Can we generalize to the constructsconstructs??
The Analogy to LawThe Analogy to LawThe Analogy to LawThe Analogy to Law
The Analogy to LawThe Analogy to LawThe Analogy to LawThe Analogy to Law
The The truth…truth… The The truth…truth…
The Analogy to LawThe Analogy to LawThe Analogy to LawThe Analogy to Law
The The truth…truth… The The truth…truth…
the the wholewhole truth, truth,the the wholewhole truth, truth,
The Analogy to LawThe Analogy to LawThe Analogy to LawThe Analogy to Law
The The truthtruth … …The The truthtruth … …
the the wholewhole truth, truth,the the wholewhole truth, truth,
and and nothing but nothing but the truth.the truth.and and nothing but nothing but the truth.the truth.
In Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct Validity
12
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5
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5
3Scan a multitu
de of inform
ation and decide
what is im
portant.
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34
5
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5
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5
1Manage tim
e effectively
2Manage resources effectively.
3Scan a multitu
de of information and
decide what is im
portant.
4Decide how to manage multip
le tasks.
5Organize the work when directions are not specific
.
1Manage tim
e effectively
Rating Sheet
In Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct Validity
12
34
5
12
34
5
3Scan a multitu
de of inform
ation and decide
what is im
portant.
12
34
5
12
34
5
12
34
5
12
34
5
12
34
5
1Manage tim
e effectively
2Manage resources effectively.
3Scan a multitu
de of information and
decide what is im
portant.
4Decide how to manage multip
le tasks.
5Organize the work when directions are not specific
.
1Manage tim
e effectively
Rating Sheet
The The construct…construct…The The construct…construct…
In Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct Validity
12
34
5
12
34
5
3Scan a multitu
de of inform
ation and decide
what is im
portant.
12
34
5
12
34
5
12
34
5
12
34
5
12
34
5
1Manage tim
e effectively
2Manage resources effectively.
3Scan a multitu
de of information and
decide what is im
portant.
4Decide how to manage multip
le tasks.
5Organize the work when directions are not specific
.
1Manage tim
e effectively
Rating Sheet
The The construct…construct…The The construct…construct…
the the wholewhole construct, construct,the the wholewhole construct, construct,
In Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct ValidityIn Terms of Construct Validity
12
34
5
12
34
5
3Scan a multitu
de of inform
ation and decide
what is im
portant.
12
34
5
12
34
5
12
34
5
12
34
5
12
34
5
1Manage tim
e effectively
2Manage resources effectively.
3Scan a multitu
de of information and
decide what is im
portant.
4Decide how to manage multip
le tasks.
5Organize the work when directions are not specific
.
1Manage tim
e effectively
Rating Sheet
The The construct…construct…The The construct…construct…
the the wholewhole construct, construct,the the wholewhole construct, construct,
and and nothing but nothing but the construct.the construct.and and nothing but nothing but the construct.the construct.
What Is the What Is the GoalGoal??What Is the What Is the GoalGoal??
The The constructconstruct
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
What Is the What Is the GoalGoal??What Is the What Is the GoalGoal??
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
Didn’t measure Didn’t measure anyany of the construct of the construct
The The constructconstruct
What Is the What Is the GoalGoal??What Is the What Is the GoalGoal??
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Measure Measure partpart of the construct and of the construct and partpart of of construct Bconstruct B
The The constructconstruct
Other Other construct: Dconstruct: D
What Is the What Is the GoalGoal??What Is the What Is the GoalGoal??
The The constructconstruct
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
Measure Measure partpart of the construct and of the construct and nothing elsenothing else
What Is the What Is the GoalGoal??What Is the What Is the GoalGoal??
The The constructconstruct
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
Measure Measure allall of the construct and of the construct and nothing else.nothing else.
The ProblemThe ProblemThe ProblemThe Problem
Concepts are Concepts are notnot mutually exclusive. mutually exclusive. They exist in a They exist in a webweb of overlapping of overlapping
meaning.meaning. To enhance construct validity, you must To enhance construct validity, you must
show where the construct is in its show where the construct is in its broader network of meaning.broader network of meaning.
Could Show That...Could Show That...Could Show That...Could Show That...
The The constructconstruct
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
The construct is slightly related to the other The construct is slightly related to the other four.four.
Could Show That...Could Show That...Could Show That...Could Show That...
The The constructconstruct
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
Constructs A and C and constructs B and D Constructs A and C and constructs B and D are related to each other.are related to each other.
Could Show That...Could Show That...Could Show That...Could Show That...
The The constructconstruct
Other Other construct: Aconstruct: A
Other Other construct: Cconstruct: C
Other Other construct: Bconstruct: B
Other Other construct: Dconstruct: D
Constructs A and C are Constructs A and C are notnot related to related to constructs B and D.constructs B and D.
Example: You Want to MeasureExample: You Want to MeasureExample: You Want to MeasureExample: You Want to Measure
Self -Self -esteemesteem
Example: Distinguish From...Example: Distinguish From...Example: Distinguish From...Example: Distinguish From...
Self- Self- esteemesteem
Self-worthSelf-worth
ConfidenceConfidence
Self- Self- disclosuredisclosure
OpennessOpenness
To Establish Construct ValidityTo Establish Construct ValidityTo Establish Construct ValidityTo Establish Construct Validity You have to set the construct within a You have to set the construct within a
semantic (meaning) net.semantic (meaning) net. You have to provide evidence that your You have to provide evidence that your
data support the theoretical structure. data support the theoretical structure. (Constructs that should be (Constructs that should be moremore related, related, are; constructs that should be are; constructs that should be lessless related, are.)related, are.)
Supply evidence that you Supply evidence that you controlcontrol the the operationalization of the construct (that operationalization of the construct (that your theory has some correspondence your theory has some correspondence with reality).with reality).