HANDOUT 10.2 INTERPRETING THE RESULTS OF A SIMPLE EXPERIMENT DESCRIBED IN THE POPULAR PRESS

1. What was the experimental hypothesis?

2. What was the null hypothesis?

3. What was the independent variable?

4. What was the dependent variable?

5. Were participants randomly assigned to groups? If not, what implications does this have?

6. Did the researchers reject the null hypothesis? If not, what implications does this have?

7. How many participants were there? How many degrees of freedom would this give?

8. Should a t test have been done to analyze the data? Why or why not?


Please attach a copy of the article.


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