Type I and Type II Errors Questions

1. What do psychologists typically use for a significance level?

2. What is the definition of a Type I error?

3. What is the definition of a Type II error?

4. When are we more likely to make a Type I error?

5. When are we more likely to make a Type II error?

6. Which do psychologists prefer to make a Type I or a Type II error?

7. When is it necessary to use a more stringent level of significance?

8. What is the relationship between making a Type I and Type II error i.e. how does the reducing the

risk of making one type of error affect the risk of making the other error?