- Quasi Experimental Design: If the researcher lacks control over the assignment of participants to conditions and does not manipulate the causal variable of interest, the design is quasi experimental.
o Quasi Experiments do not have internal validity because participants are not randomly assigned to conditions and the researcher may have no control over the independent variable.

- Basic Confounds in Quasi Experimental Design are :
o History
o Maturation (Emotional, Physical & Psychological)
o Mortality
o Testing

- One Group pretest-Post test design :
o Poor research strategy because it fails to eliminate most threats to internal validity.
o History, Maturation, Mortality and testing are some examples of the confounds in this experiment
 Ex: Drug use between O1 and O2:
• Could have been because students may have matured from the pre test to post test (Maturation effects)
• Could have been because one of the popular rock artist died of drug overdose which......

Join Now to view the rest of this term paper!
Members: Login to view this research paper.

Title: Quasi Experiment
Approximate Word Count: 584
Approximate Pages: 3 (250 words per double-spaced page)

With the Term Papers Lab Membership Pass, you get instant access to every essay on this site, including this essay on Quasi Experiment, for as long as you remain a member.

Other essays sites charge almost $100 for a single term paper. At Term Papers Lab, you can get instant access to over 100,000 research papers for as little as $29.95!