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Experimental Design

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You have been asked to develop a study of the effects of watching Sesame Street on childrens' gender role orientations, intelligence, or sociability (select one).

(1) Describe how you would design the study using a preexperimental design (one shot case study, one group pretest-post test design, or static group comparison -- select one).

(2) Describe how you would design the study using a true experimental design (pretest-post test control group design, Solomon four-group design, or post test-only control group design -- select one).

For both of the designs you have to explain why you would select that design AND note how you would measure the dependent variable. Note the major advantage & weakness of each design in this particular study. Include 1 source of internal invalidity for each design & explain why you selected that one.

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Solution Summary

The solution describes

(1) a static group comparison and
(2) a pre-test post-test control group study.

The following is included for both of the two kinds of studies: a description of how the design would work, advantages and disadvantages of the design, how the dependent variable would be measured, and a source of invalidity. Both studies mentioned involve exploring the effects of watching Sesame Street on children's intelligence.

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You have been asked to develop a study of the effects of watching Sesame Street on children's gender role orientations, intelligence, or sociability (select one). Describe how you would design the study using a preexperimental design (one shot case study, one group pretest-post test design, or static group comparison - select one). Describe how you would design the study using a true experimental design (pretest-post test control group design, Solomon four-group design, or post test-only control group design - select one). For both of the designs you have to explain why you would select that design AND note how you would measure the dependent variable. NOTE the major advantage & weakness of each design in this particular study. INCLUDE 1 source of internal invalidity for each design & explain why you selected that one.

I chose the effects of watching Sesame Street on children's intelligence.

The pre-experimental design I chose was static group comparison.

I selected this design because it is simple and straightforward. The ...

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