The scatterplot depicting a relationship between two variables for which r= -.90 would

The nature-nurture controversy is primarily concerned with

a. the use of a chronological versus a longitudinal approach. b. the difference between developmental and chronological age. c. the relative importance of heredity and environment. d. the extent to which development is continuous or discontinuous. e. whether to study similarities or differences between people.

The more tasks that individuals attempt to accomplish at the same time, the more efficiency they are able to gain

Indicate whether the statement is true or false.