Research has compared the spatial cognition of English and Dutch speakers to that of a Mayan people whose native tongue, Tszeltal, has no language labels for "left of" or "right of." Why might the researchers have included the Dutch speakers along with the English-speakers, considering that both languages have labels for "left of" and "right of?"
A) to increase the study's internal reliability
B) to increase the study's internal validity
C) to increase the study's external reliability
D) to increase the study's external validity

Question

Quizplus · Accepted Answer

Including Dutch speakers alongside English speakers helps to generalize the findings across different cultures and languages, thereby increasing the study's external validity.

Research Has Compared the Spatial Cognition of English and Dutch