A research ____ is a general approach that is intended to address a specific question

Compared to use in Europe, Canada, and Australia, psychostimulant use in the United States is

a. about equal. b. about half the rate. c. 3 to 10 times higher. d. almost 100 times higher.

Development can be conceptualized as linear, or one-dimensional

Indicate whether this statement is true or false.