Examlex
Discuss two ways that researchers try to ensure internal/external validity and two ways they try to ensure measurement reliability.
Validity
The extent to which a test, assessment, or measurement accurately measures what it claims to measure.
Reliability
The level of consistency and stability in the results from an evaluation method over a period.
Utility
In economics, the total satisfaction received from consuming a good or service.
Big Five Personality Dimensions
A model outlining five broad dimensions of human personality: openness to experience, conscientiousness, extraversion, agreeableness, and neuroticism.
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