Dr.Tao is conducting a research study examining how the use of social media changes as we get older.She has four groups of participants: Group 1 is age 11-15; Group 2 is age 16-20; Group 3 is age 21-25,and Group 4 is age 26-30.She plans to follow each group for 15 years.What study design is Dr.Tao using?
A) experiment
B) longitudinal
C) cross-sectional
D) cohort-sequential

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The Answer of Dr.Tao is conducting a research study examining how the use of social media changes as we get older.She has four groups of participants: Group 1 is age 11-15; Group 2 is age 16-20; Group 3 is age 21-25,and Group 4 is age 26-30.She plans to follow each group for 15 years.What study design is Dr.Tao using?
A) experiment
B) longitudinal
C) cross-sectional
D) cohort-sequential

DrTao Is Conducting a Research Study Examining How the Use