Because researchers are generally more concerned with establishing internal validity rather than external validity, they are typically more concerned with _________ and less concerned with ____________.
a. random selection; random assignment
b. random assignment; random selection
c. populations; samples
d. samples; populations
Question 2
In a(n) design, the experimenter takes multiple measures on the dependent variable both before and after treatment.
a. non-equivalent control group
b. interrupted time series
c. multivariate
d. before-after
The breast, cutaway view showing both internal and external features.
External and internal positions.
External and internal male genitalia.
Palpation of internal carotid artery
Researchers must inform potential participants of a study's procedures so that consent may be o
Internal structures of the female pelvis for landmarks