A Psychologist Who Studies Changes in Emotional Maturity in the Same

Multiple Choice

A psychologist who studies changes in emotional maturity in the same 1000 people over many years uses a _____ approach to his research,whereas someone who studies the emotional maturity of five different groups of people in five different age groups all at the same time in order to compare the groups' emotional maturity levels to each other uses a _____ approach.

A) longitudinal;cross-sectional
B) longitudinal;accelerated longitudinal
C) cross-sectional;longitudinal
D) cross-sectional;cross-sequential