A group of students who completed a research methods class at the local college were given a questionnaire to assess their feelings about the homeless and after were randomly assigned to either the experimental group or the control group.The experimental group was required to volunteer at the local homeless shelter while the control group was not.After one month of volunteering,members of both groups were asked to complete the questionnaire on feelings concerning the homeless again.What type of research design is this?
A) a quasi-experimental design
B) a classical experimental design
C) a time-series design
D) an interrupted time-series design

Question

Quizplus · Accepted Answer

This is a classical experimental design because there is random assignment to two groups, one group receives an intervention (volunteering at the homeless shelter) while the other group does not, and both groups are assessed before and after the intervention.

A Group of Students Who Completed a Research Methods Class