Examlex
Studies on the educational system have found all of the following EXCEPT:
Pre- And Post-Test
Assessments conducted before and after an intervention or educational program to measure the effectiveness of the program.
Mean Scores
The average value obtained by adding all scores together and then dividing by the number of scores.
Statistical Test
A procedure for determining whether the observations in a study are likely due to chance or if they reflect true differences in the data.
Nondirectional
Pertains to hypotheses or research questions that do not specify the direction of the expected relationships or differences.
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