Question 175 out of 5 pointsChecking an independent-samples t test for the assumption of normality is part of step _____ of the six steps.Selected Answer:oneAnswers:onetwothreefour

Question 185 out of 5 pointsIf a confidence interval is 95%, then this corresponds to a p level of _____.

Question 190 out of 5 pointsIn addition to reporting the results of statistical hypothesis testing, it is also recommended that researchers to report:

Question 205 out of 5 pointsResearchers were interested in whether relaxation training decreases the number ofheadaches a person experiences. They randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. Which statistical analysis should be performed to answer the researchers' question?

Question 15 out of 5 pointsIn a(n) _____, each participant is assigned to only one group in order to compare mean differences in a between-groups design.Selected Answer:independent-samples t testAnswers:single-sample t testz testindependent-samples t testpaired-samples t test

Question 25 out of 5 pointsWhich example best illustrates APA's standards for reporting descriptive statistics for an independent-samples t test?

μ

Question 35 out of 5 pointsA psychologist is interested in whether working memory is influenced by sleep loss. The psychologist administers a measure of working memory to two groups of subjects. The subjects in one group were kept awake for the entire night and the subjects in the other group maintained their normal sleep schedules. Which statistical analysis should be performed to answer the question “Does sleep loss affect working memory?”