Examlex
A(n) ________ is the name given to a collision that does result in a reaction.
Construct Validity
The degree to which a test measures what it claims to be measuring, reflecting the accuracy of an operationalization of a theoretical construct.
Regression Toward
A statistical phenomenon where extreme values in data are likely to be followed by, or associated with, less extreme values.
Pretest
An initial measurement or evaluation performed before an intervention or experiment to establish a baseline.
Posttest
A test given after a particular intervention or period of instruction to measure its effectiveness or outcomes.
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