Dr. Logan does a study on the impact of daycare experiences on adult relationships. She collects data on
the children when they are ages 4, 8 and 12 and then again once they reach age 21. This type of study is
A) retrospective research.
B) a case study.
C) an example of a third variable problem.
D) a longitudinal design.
Question 2
A biological consequence of anorexia nervosa is
a) dry skin
b) kidney and gastrointestinal problems
c) lanugo
d) all of the above