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Week Five Homework: Quasi-Experiments, Single-Case Designs, and Developmental Research

This assignment covers quasi-experiments, single-case designs, and developmental research methodologies in psychology.

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Week Five Homework: Quasi-Experiments, Single-Case Designs, andDevelopmental ResearchWeek Five Homework ExerciseAnswer the following questions, covering material from Ch. 11 of the Methods in BehavioralResearch text:1.What are single-case designs and when are they most useful?When the subject has restriction, single–case experiments are utilized. This kind of design ispatterned from the concept of reinforcement. Thus, it is more relevant and useful when thepurpose in conducting the research is to determine the effect of experimental manipulation onsingle research participants (Cozby, 2009).2.How may a researcher enhance the generalizability of the results of a single case design?To be able to improve the generalizability of the results of a single case design, aresearcher is encouraged to replicate the subject versus others. This way, a number ofsubjects could represent the needed outcome.3.What is the relationship between quasi-experiments and confounding variables? Providean example.Themostobviousrelationshipbetweenconfoundingvariablesandquasi-experimentsismanifested through the way confounding variables show threats to the quasi-experiments. Thesevariables are not independent. It further means that they can co-vary. On the other hand, quasi-

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Psychology

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