Lauren,a social psychologist,hypothesizes that the best way for a young woman to increase the number of friends she has on a social networking site is to place a smiling display picture in her profile.Lauren wants to establish a cause-effect relationship between these two variables.In order to accomplish her objective,Lauren should use:

Question

Quizplus · Accepted Answer

Experimental research allows for manipulation of the independent variable (in this case, the display picture) and observing the resulting effect on the dependent variable (in this case, number of friends on the social networking site), thus establishing a cause-effect relationship. Surveys and interviews would only provide correlational data, and would not allow for manipulation of the independent variable.

Lauren,a Social Psychologist,hypothesizes That the Best Way for a Young