One reason that cross-sectional studies are more common than longitudinal studies is the fact that
a. cross-sectional studies involve large numbers of subjects.
b. longitudinal studies involve very sophisticated statistical procedures.
c. cross-sectional studies take many years to complete.
d. longitudinal studies take many years to complete.
Question 2
Use of a cross-sectional design would be appropriate in trying to find an answer to all of the following questions EXCEPT
a. How does panic disorder differ in children and adults?
b. Are the cognitive triggers for panic disorder different in children and adults?
c. What early behaviors did adult panic disorder patients tend to display when they were young?
d. Does exposure therapy tend to be more or less effective when it is used in the treatment of children versus adults?
Common Bluetail Damselfly
Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion;
Cross-sectional data showing that the amount of effort spent on personal health care increases with
Raphael, Studies for The Alba Madonna (verso).
Diseases Common to the Elderly
Common Prefixes Cont.