What do descriptive and correlational research methods allow researchers to do

A)  exert precise control over the variables being studied 
B)  draw conclusions concerning cause-and-effect relationships 
C)  manipulate several variables at the same time 
D)  examine whether there is an association between variables being studied

Descriptive

Pertaining to the detailed description of characteristics, behaviors, or phenomena, without making judgments or inferring causes.

Correlational Research

A research method that examines the relationship between two variables to determine if they occur together in a predictable pattern.

Association Between Variables

A statistical relationship or link indicating how changes in one variable relate to changes in another variable.