Hypothesis: Prosocial behavior (behavior carried out with the goal of helping others) will increase in times of crisis. DV: The number of hours spent volunteering at a local shelter following a natural disaster in a local community. HO = 2 hours per week (based on population data at the local shelters sampled) Hours spent volunteering 7 7 6 3 0 1 2 3 3 5 8 5 8 1 1 6 4 0 2 1 0 1 6 2 2 7 3 4 2 0 3 3 8 7 2 7 STEPS for hypothesis testing: 1. State the Hypothesis 2. Set the Criterion 3. Calculate the estimated standard error of the mean 4. Calculate the t-statistic for the sample 5. Will you reject or fail to reject the null hypothesis? 6. Calculate confidence interval if appropriate