Dr. Davis is planning a study on the effect of rewards on the academic achievement of young children. For his study, Dr. Davis decides to use white, male children from an upper-class neighbourhood. Having taken an introductory psychology course, you can see that Dr. Davis is going to have some problems because he won't necessarily be able to apply his results to girls or to students of other demographics. This particular problem substantially weakens the ___________ of Dr. Davis' study
A)external validity
B)control validity
C)internal validity
D)survey validity

Question

Quizplus · Accepted Answer

The problem described affects the external validity of Dr. Davis' study because it limits the generalizability of the study's findings to other populations beyond the specific group of white, male children from an upper-class neighborhood. External validity refers to the extent to which the results of a study can be generalized to other situations and to other people.

Dr Davis Is Planning a Study on the Effect of Rewards