Examlex
Determine whether the graphs of the pair of equations are parallel, perpendicular, or neither.
Large Improvement
A significant positive change or progress in a condition, situation, or in the performance of someone or something.
Maturation Effects
Changes or developments in participants that occur over time naturally, rather than as a result of experimental treatment.
One-group Pretest-posttest Design
An experimental design where a single group is tested before and after an intervention, without the use of a control group.
Internal Validity
pertains to the extent to which a study or experiment accurately establishes a causal relationship between variables, minimizing the influence of external factors.
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