Rasmussen College Quasi Experimental Design and Single Case Evaluation HW

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Rasmussen College

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1) Create a nonequivalent comparison groups design for evaluating the effectiveness of a parent education program for parents at high risk for child abuse. What would you do to assure the readers of your study that the threat of selection bias seems remote? Provide a description of the dependent variable, and when and how it would be measured.

2) Imagine you have been hired by the Florida Department of Corrections as a consultant to evaluate one of its prisoner reentry programs in which inmates are sent to this residential program before being released to the community. You are not able to randomly assign inmates to participate in this program - so conducting an experimental design is out of question. Design a quasi-experimental study in which you control for as many threats to internal validity as possible. Explain how you are controlling for these threats.

3) Select some aspect of your own behavior that you would like to improve and develop a plan to improve it. Design a single-case experiment. Discuss the potential measurement problems of reactivity and bias.

4) Think of a particular case or intervention that has piqued your curiosity about practice effectiveness. Design a single-case experiment that is relevant to that case or intervention. Try to design it in a way that would be feasible to implement.

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1

Quasi-Experimental Design and Single-Case Evaluation

Student’s First Name, Middle Initial(s), Last Name
Institutional Affiliation
Course Number and Name
Instructor’s Name and Title
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2

Quasi-Experimental Design and Single-Case Evaluation
Question One
To evaluate the effectiveness of a parent education program for parents at high risk for
child abuse where it is difficult to randomly select participants who will receive the intervention,
creation of two nonequivalent groups, treatment and comparison groups, will be required. The
threat of selection bias and other threats to internal validity will be eliminated by ensuring that
the characteristics of the parental groups are nearly similar (Rubin & Babbie, 2015). These
include the sample size, demographics such as socioeconomic status, housing condition, race and
ethnicity, and mental and psychosocial functioning likely to affect the outcome of the
intervention. After selecting t...


Anonymous
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