Answer: d. State the null and the alternative hypotheses; set the alpha level; conduct the statistical test and obtain the p value based on your empirical data; compare your p value to the alpha level and make a decision (1. reject the null versus 2. fail to reject the null); last, interpret findings.
According to the steps of hypothesis testing provided in your text, if you are using an independent samples t test, which of the following describes your procedure:
a. Select your significance level, determine the degrees of freedom, calculate your t test score, get the critical t value, reject the null hypothesis if the calculated t value is less than the critical t value.
b. Calculate your t test score, determine the degrees of freedom, run the statistical program and get the p value, reject the null hypothesis if the p is greater than the alpha level.
c. State your null and alternative hypotheses, determine the degrees of freedom, calculate your t test score, reject the null hypothesis if the p value is greater than the significance/alpha level.
d. State the null and the alternative hypotheses; set the alpha level; conduct the statistical test and obtain the p value based on your empirical data; compare your p value to the alpha level and make a decision (1. reject the null versus 2. fail to reject the null); last, interpret findings.
Psychology
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