Nature and nurture
Not nature versus nurture debate
Nature via nurture
Relative contributions still debated
Converging heritability evidence
Some nonshared environmental effects more influential in developing personality differences
Little shared environm
Content validity radax model
Content domain; specification: on what you mean with the radax model.
Assessment of content validity: expert judgement and agreement. A relatively
subjective process. Peer review process. Distinguished f
Reliability: consistency/precision. Do you get the same measurement when you complete it
Validity: focuses on accuracy/fidelity
Sources of variability:
Individual: trait, knowledge, states
Testing situation: instrument & administration
Utilizes ambiguous stimuli to encourage examinees to report personal interpretations of the
Examples: Rorschach inkblots, thematic apperception test, draw-a-person, rotter incomplete
September 24th 2015
Measuring Preferences interests and personality
Purposes of preference testing: usually use self-report
Screening: employers will sometimes use it for the selection process.
To improve understanding of broader human i
Models of Intelligence
Proposed for about 100 years or more.
Two-factor theory (Spearman, 1904)
General and Specific.
Positive Manifold: positive association between tests of cognitive abilities. General intelligence.
Association was theoretical.
Process of assigning values to objects.
Specific properties of those objects are faithfully represented by the properties of the assigned
Values need to make sense
Methods of Assessment
Maximal performance; whether theyre p