Nora is conducting research on emotional intelligence. In designing her study, Nora plans to follow several cohorts across a ten-year time span. She will select individuals initially from four agegroups: ten-year-olds, twenty-year-olds, thirty-year-olds, and forty-year-olds. She will follow these cohorts over ten years and gather qualitative and quantitative data. Nora's study is known as a

____.?

a. ?cross-sequential with resampling study
b. ?cross-sectional study
c. ?longitudinal study
d. ?correlational research project

ANSWER:
a