PSYB32H3 Chapter 4: Chapter 4 notes.docx
Document Summary
Inter-rater reliability- degree to which 2 independent observers agree. Test-retest reliability- measures extent to which people being observed twice or taking the same test twice, perhaps several weeks or months apart, score in generally the same way. Alternate-form reliability- using 2 forms of a test rather than giving same test twice, perhaps when there is concern that people will remember answers from first test & aim to be consistent. A person who reports a dry mouth is also expected to report increases in muscle tension as well) Content validity- refers to whether a measure adequately samples the domain of interest. Criterion validity- evaluated by determining whether a measure is associated in an expected way with some other measure (the criterion) Construct validity- evaluated by looking at a wide variety of data (a person is fidgeting, trembling, and sweating) from multiple sources. Psychological assessment techniques are designed to determine cognitive, emotional, personality, and behavioural factors in psychopathological functioning.
