There is frequently a trade-off between increasing either internal validity or external validity in an experiment. Which of the following may weaken internal validity while strengthening external validity?
a. conducting the experiment in the students' high school rather than a university
laboratory
b. testing all participants at 10:00 a.m.
c. using a standardized set of instructions that are given by a tape recording
d. testing all participants in the same room
A
You might also like to view...
People form images of cities by
a. distinguishing between physical locations in the city. b. talking to others about what the important landmarks are. c. organizing the physical locations in a meaningful way. d. Both a and c
When spending exceeds revenues, what is the resulting imbalance in the annual federal budget?
a. an economic stimulus package b. the national debt c. the discount rate d. the deficit
Studies show that voting participation rates are higher for African Americans than political scientists would otherwise anticipate on the basis of socioeconomic status. What is the best explanation for this political phenomenon?
a. As a group, African Americans are older than other groups of Americans and consequently more likely to vote. b. Levels of political efficacy are lower for African Americans than they are for other groups of Americans. c. African American participation rates are enhanced by the effectiveness of organizations in the African American community. d. As a group, African Americans are younger than other groups and consequently more likely to vote. e. As a group, African Americans are wealthier
As early as the third century B.C., various nomadic groups and Chinese merchants established a trading route, known as the _____________________
Fill in the blank with correct word