The effect of the time of day a psychology class is taught on test scores is
being studied in an experiment. The difficulty of test questions has been
identified as an extraneous factor that could also affect test scores. How ca
the difficulty of test questions best be addressed to minimize its effect in th
experiment?
O A. Blocking into groups based on the teacher of the class
O B. Replication of the experiment at different times of the year
O C. Randomization of students in morning and afternoon classes
D. Direct control by requiring every class to take the same test

Question

25-08-2020
Mathematics

contestada

The effect of the time of day a psychology class is taught on test scores is
being studied in an experiment. The difficulty of test questions has been
identified as an extraneous factor that could also affect test scores. How ca
the difficulty of test questions best be addressed to minimize its effect in th
experiment?
O A. Blocking into groups based on the teacher of the class
O B. Replication of the experiment at different times of the year
O C. Randomization of students in morning and afternoon classes
D. Direct control by requiring every class to take the same test

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The correct answer will be option C Randomization of students in morning and afternoon classes.

What is psychology?

Psychology is the scientific study of the mind and behavior, according to the American Psychological Association.

The only way to minimize this effect would be through randomization of students in morning and afternoon classes.

Doing so apply the factor of skill from an individual student to either time of day class greatly lessens the overall effect that it has on the results.

This therefore, minimizes the effect it has on the experiment itself, since the same students that have been studying in a certain time of day would be randomized and not have the same environment that they are used to.

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