Statistics Behavioral Sciences

(a) How do the variables in a research study that uses the ordinary Pearson r correlation coefficient differ from the […]

When using linear regression, does the researcher want the standard error of estimate to be small or large? Why? (a)

In a correlational study, X is the number of hours of violent television programs that participants watch, and Y is

The SAT is used to predict the success of high school students in college. Suppose that the Pearson r correlation

Students at Rolling Rock University claim that their school is superior to vaunted Bigbrain University with regard to achievement on

Suppose that the difference between two sample means is not statistically significant. (a) What decision should the researcher make about

In Exercise 7 of the regular (not Computer) exercises in the previous chapter, you were asked to calculate the Wilcoxon

If you have not already done this for a previous exercise, create a variable that is the difference between baseline

You want to determine if a coin is biased in favor of falling heads up or tails up. (a) You

Add gender to the analysis in Exercise 1, and compute the mixed-design ANOVA. Request a plot of the cell means,