Professor jordan has suggested to his students that a strong relationship exists between the number of hours they spend studying and their grade on the final exam. he would like his students to improve their test scores by increasing the time they spend studying. the professor is describing
a. mean score.
b. negative correlation.
c. positive correlation.
d. standard deviation.

After world war i, how did the allied countries hope to keep germany from becoming too powerful again? question 5 options: united states took over german military bases. germany was not allowed to have a large army or navy. germany was allowed to keep its colonies. germany did not have to pay any war debts to the allied countries.

Ateam of men and women of different ethnic backgrounds, age, and physical capabilities work for a tv show which involves decorating gardens in a very short time frame. the team worked in co-ordination to come up with new decorative ideas for each episode. this is an example ofa team of men and women of different ethnic backgrounds, age, and physical capabilities work for a tv show which involves decorating gardens in a very short time frame. the team worked in co-ordination to come up with new decorative ideas for each episode. this is an example of

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.