Keb is convinced that teachers provide more praise to their students while he is observing in their classrooms than they do otherwise. Of the following the most appropriate way to decrease Keb's concerns and increase validity of his data is
A) to tell teachers he is interested in something unrelated to praise.
B) to focus on a smaller number of teachers.
C) increase the amount of time he spends in the classrooms.
D) observe the classes covertly.

Question

Quizplus · Accepted Answer

Increasing the amount of time spent in the classrooms would provide a more comprehensive understanding of the behavior being studied and provide more data points to increase the validity of the observations. Choice A would not be effective as teachers may modify their behavior if they knew the true purpose of the observation. Choice B may result in a biased sample of teachers. Choice D would not be ethically appropriate as it involves covert observation without obtaining consent from the teachers.

Keb Is Convinced That Teachers Provide More Praise to Their