Kendra is researching the effects of vitamin c on test-taking ability. before the exam, kendra gives group a orange juice, and group b water. vitamin c is the :

a. experimental group
b. control group
c. dependent variable
d. independent variable

Advances in technology generally result a.) a higher standard of living for everyone b.) greater productivity c.) more jobs for everyone d.) more government regulation

Researchers endeavoring to conduct an on-line study should consider that there are some potential risks of harm to subjects unique to internet based research. one if the risks is

With regard to personality, it appears that: a) there is little consistency of behavior from one situation to the next and little consistency of traits over the life span.b) there is little consistency of behavior from one situation to the next but significant consistency of traits over the life span.c) there is significant consistency of behavior from one situation to the next but little consistency of traits over the life span.d) there is significant consistency of behavior from one situation to the next and significant consistency of traits over the life span.