If the Pearson correlation is calculated for a sample of n = 20 individuals, what value for df should be used to determine whether or not the correlation is significant?
A) ?18
B) ?19
C) ?20
D) ?21
A
You might also like to view...
A 5- study carried out by Sénéchal and LeFevre found that shared, or interactive, storybook reading with preschool children at home was positively related to the development of which of the following?
a. first-grade reading skills b. alphabet knowledge b. invented spelling c. third-grade reading levels
Which of the following factors has most likely contributed to the increase in American obesity rates?
a. too much high-fat food and too little exercise b. genetic changes over the past few decades c. a lack of willpower among obese people d. the increase in binge-eating disorders
Low-income children are more likely to have problems with the transition from home to school
Indicate whether the statement is true or false
Wearing sunglasses ALL THE TIME because people tell you they make you look "irresistible" is an example of which of the types of punishment and reinforcement?
a. aversive punishment b. negative reinforcement c. positive reinforcement d. response cost