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11 Cards in this Set
- Front
- Back
The exploration of the unknown; the gathering of data.
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Research
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Measurements that reflect what you are trying to assess and are not affected by anything else.
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Reliability
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The variation of a number around its true mean due to uncontrolled, essentially random influences. Also called error variance.
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Measurement Error
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A temporary psychological event, such as an emotion, thought, or perception.
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State
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A relatively stable and long-lasting attribute of personality.
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Trait
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Average.
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Aggregation
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Random erroes tend to cancel one another out. So the more error-filled your measurements are, the more measurements you need. The "truth" will be in there someplace; near the average.
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Spearman-Brown Formula in Psychometrics
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The degree to which a measurement actually reflects what one hopes or thinks it does.
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Validity
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Something that cannot be directectly seen or touched, but which affects and helps to explain many different things that are visible.
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Constructs
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The process of testing the theory behind a construct such as intelligence or sociability. Ex: Seeing how popular someone really is by asking and observing # of parties and phone calls one gets.
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Construct Validation
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the degree to which a measurement can be found under diverse circumstances, such as time, participant population and so on. Includes both reliability and validity.
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Generalizability
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