Examlex
When a young child studies hard in school to avoid getting bad grades, we might say that their behavior is being maintained by negative reinforcement.
Unsystematic Error
The collection of factors that contribute to the variation in scores noted across administrations of a test or instrument. Also referred to as random error.
Random Measurement Error
Variability in measurement results that arises from unpredictable fluctuations during the measurement process.
Internal Consistency
A measure of the reliability of a psychological test or survey, based on the extent to which all parts of the test contribute equally to what is being measured.
Hallucinations
A perception of seeing, hearing, smelling, tasting, or feeling something that is not present or does not exist in the external environment.
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