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Why? (please be specific) Example:  Because I did not procrastinate studying. I watched all video lectures, read the book, created notes and a formula sheet. I then was reviewing my notes regularly to get a deeper, more complete understanding of the material. Finally, I completed HW assignments and the Practice Exam.

A correlation coefficient can never demonstrate cause

A sample of n = 25 scores produces a t statistic of t = +0.50. What is the value of the effect size, r2?  (round to 2 decimal places)

Given the SPSS dat above, answer the following questions: There is a [strength] correlation between X and Y. There is a [positive] relationship between X and Y The correlation between X and Y is [significant] The correlation coefficient is equal to [.927]

A research wants to determine the correlation between classification (freshman, sophomore, junior and senior) and average letter grades for the Spring semester (A, B, C, D, F). What type of correlation coefficient should the researcher conduct? 

A two-way ANOVA has  [two] factor(s) and [one] dependent variable(s). 

For an ANOVA comparing three treatments with a sample of n = 10 in each treatment, what is the critical value for the F-ratio using α = .05?

In ANOVA, differences caused by treatment effects contribute to which of the following variances?

A research report presents the results of an one-way  ANOVA as follows: F(3, 28) = 5.36, p = .034. If the critical value is 4.26 then what decision should the researcher make?  

A researcher is interested in whether there are differences in mood after running in a group or running alone. The researcher randomly selects 100 runners, assigns and has 50 of the runners complete a solo run and the other 50 complete a run in group settings. The researcher assess mood after the run for all participants. How should the alternative hypothesis be stated for a non-directional, independence samples  t test?