Quasi-Experimental Design-involves the manipulation of an independent variable without the random assignment of participants to conditions or orders of conditions. Examples include: nonequivalent group designs, pretest-post test and interrupted time series designs.
Find a peer-reviewed journal article of interest to you that features a true experimental design. (Review Attached Article) Then answer the following questions:
- What technique was used to select subjects and assign them to groups?
- What are the independent and dependent variables?
- What threats exist in this design?
- What conclusions can be made from this research?
- What suggestions can be offered to address the threats to the study?
Sample Solution