Homework 6

A psychologist would like to examine the relative effectiveness of three therapy techniques for treating mild phobias. A sample of N = 15 individuals who display a moderate fear of spiders is obtained. These individuals are randomly assigned (n = 5) to each of the three therapies. The dependent variable is a measure of reported fear of spiders after therapy. The data are as follows:

1. Use Hypothesis testing to determine if the data indicate that there are significant differences among the three therapies? Test at the .05 level of significance.
   1. Step 1: State Hypothesis
   2. Step 2: Set Criteria
   3. Step 3: Compute Sample Statistic
      1. Use excel to compute F value
   4. Step 4: Make a decision
      1. Did you reject the null/fail to reject the null
      2. State your conclusions in your own words
2. Based on the above results can you determine exactly which treatments are different?

Price: $8.15

Solution: The downloadable solution consists of 5 pages, 315 words and 16 charts.
Deliverable: Word Document