Question 1
To examine whether participants' popularity was stable or changed across the years, Dr. Cotter followed a group of children from ages 5 to 18 years. This is an example of a __________ design.
◦ sequential
◦ microgenetic
◦ cross-sectional
◦ longitudinal
Question 2
Two main types of designs used in all research on human behavior are __________ and __________.
◦ observational; experimental
◦ correlational; experimental
◦ observational; correlational
◦ variable; observational