Analyze experimental designs

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Reference no: EM131849044

Instructions. Experimental designs establish cause-effect relationships (Salkind, 2017). In this exercise, you will analyze four experimental designs reviewed in Chapter 11. You will also write a summary that reviews the pros and cons of each design.

Step 1: Fill out the Experimental Design table below using complete sentences (the table continues on page 2). An example is provided. Expand the table as necessary.

Step 2: Below the table, in 150-250 words, provide a brief design summary that critically analyzes the strengths and limitations of the four designs in the table. In addition to the textbook, include at least one outsidereference to support your analysis.

Experimental Design

Type of Design

(Pre- or True)

Define the Steps

Provide an Example

Example:

 

1. One-shot case study

 

This is a pre-experimental design without random selection or assignment. There is no control group.

 

 

One group of participants is recruited. They receive a treatment. Then, a posttest is completed.

 

 

A researcher selects a class of college students enrolled in a statistics course. Students read a web site on the causes and coping mechanisms for statistics anxiety. They then fill out a survey measuring their current level of statistics anxiety.

 

 

2. One-group pretest posttest design

 

 

 

 

 

 

 

 

 

 

3. Pretest posttest control group

 

 

 

 

 

 

 

 

 

 

 

4. Posttest-only control group

 

 

 

 

 

 

Verified Expert

The solution relates to commenting on the various experimental designs worksheets.These experimental designs provide a cause and effect relation ship. I have analyzed 4 experimental designs on the basis of design types, steps involved, and with an example. The solution also has analyzes the strengths and limitations of the four designs.

Reference no: EM131849044

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len1849044

2/5/2018 2:52:47 AM

Instructions: Experimental designs establish cause-effect relationships (Salkind, 2017). In this exercise, you will analyze four experimental designs reviewed in Chapter 11. You will also write a summary that briefly reviews the pros and cons of each design. Click on the following link and use the Experimental Design Worksheet to complete your assignment. Salkind, N. J. (2017). Exploring research (9th ed.). Boston, MA: Pearson.Summary of Experimental Design Strengths and Limitations

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