Multiple Choice
Irwin is testing the same individuals repeatedly over time as part of a research study,whereas Dr.Jenner is comparing the performance of different people of various ages at the same time.Dr.Irwin is using a _________ research design; Dr.Jenner is using a ________ design.
A) cross-sectional; longitudinal
B) longitudinal; cross-sectional
C) longitudinal; simultaneous
D) sequential; cross-sectional
Correct Answer:

Verified
Correct Answer:
Verified
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