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For a repeated-measures study comparing three treatment conditions with a sample of 4 participants, the participant totals (the P values) are 3, 6, 9, and 6, and the SS values within each treatment are SS1 = 2, SS2 = 2 and SS3 = 6.  What is the value for SSerror?

A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop.  Each student’s grade point average (GPA) is recorded for the semester before the workshop and for the semester after the workshop.  The average GPA improved by MD = 0.60 points with s2 = 0.09.  The researcher would like to use the sample to estimate how much effect the workshop would have for the entire college population.  Which of the following is the 80% confidence interval for these data?

Using an independent-measures t, the 90% confidence interval for the difference between two population means ranges from 19 to 23.  Based on this confidence interval, you can conclude that the difference between the two sample means is ____.

In analysis of variance, what is measured by the MS values?

For a negatively skewed distribution with a mode of X = 25 and a median of 20, what is the most likely value for the mean?

Over the course of a semester, eight students take their exams with Essential Oil Blend 1 being diffused in the testing area during Exam 1, Essential Oil Blend 2 during Exam 2, and Essential Oil Blend 3 during Exam 3. What is the dftotal for the ANOVA hypothesis test?

Which of the following is true about correlation?

A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop.  Each student’s grade point average (GPA) is recorded for the semester before the workshop and for the semester after the workshop.  The average GPA improved by MD = 0.60 points with s2 = 0.09.  The researcher would like to use the sample to estimate how much effect the workshop would have for the entire college population.  Which of the following is the 80% confidence interval for these data?

A sample of difference scores has a mean of 5 with a variance of 100.  If effect size is measured using Cohen’s d, what is the value of d?

A characteristic, usually a numerical value, that describes a sample is called a ____.