Problem Set 3.7:Independent Samples t Test

Criterion: Identify IV, DV, and hypotheses and evaluate the null hypothesis for an independent samples t test.

Data:Use the information from Problem Set 3.7.

Instructions: Complete the following:

1. Identify the IV and DV in the study. The independent Variable is the variable that is unchanged throughout the study in this study it is reading ad watching.

The dependent variable is the variable that changes throughout the study in this study it is the source of the news.

1. State the null hypothesis and the directional (one-tailed) alternative hypothesis.

The Null Hypothesis is the mean score is the same in both groups.

The directional (one tailed) alternative hypothesis is the mean score in group one is less than group 2.

1. Can you reject the null hypothesis at = .05? Explain why or why not.

Yes, The Null hypothesis can be rejected when the value is less than a=0.05.