PSY 3307 Chapter 1-3, 10: MIDTERM TEXTBOOK NOTES Psychometric Methods - Chapter 1-3, 10
30 Jan 2018
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3 defining characteristics of psychological tests: a good test should representatively sample the behaviours thought to measure an attribute or predict an outcome. This ensures that the test measures what it says it measures: the behaviour samples should be obtained under standardized conditions, there must be rules for scoring so that all examiners score the test in the same way. Psychological assessment: involves multiple methods such as personal history interviews, behavioural observations and psychological tests for gathering info about an individual. Psychological tests: one tool used in the wide range of psychological assessments. Measurement: the process of assessing the size, amount, or degree of an attribute using specific rules for transforming the attribute into numbers. Measurement instruments are the tools/ techniques used to assess the size/ amount/ degree. Psychological tests are often referred to as measurement instruments. Surveys: used to collect important info from individuals. They differ from psychological tests in two ways: (1)
