Allen is in a constant state of dread. He has trouble sleeping, feels tense, and cannot concentrate. Allen will likely be diagnosed as which anxiety disorder?

The ideal temperature for sperm is about 4 degrees cooler than average body temperature

Indicate whether the statement is true or false

A researcher used a sample of n = 60 individuals to determine whether there are any preferences among four brands of pizza. Each individual tastes all four brands and selects his/her favorite. If the data are evaluated with a chi-square test for goodness of fit using ? = .05, then how large does the chi-square statistic need to be to reject the null hypothesis?

a. Greater than 7.81 c. Greater than 79.08 b. Less than 7.81 d. Less than 79.08