A researcher's ability to generalize from the sample to the target population depends on the degree to which the sample is
a. based on a human population.
b. representative of the population.
c. larger than the population.
d. younger than the population.
Question 2
When researchers obtain information from participants on existing variables in order to see how the variables relate to one another, the approach is likely to be
a. observational research.
b. correlational research.
c. experimental research
d. longitudinal research.