A researcher examines the effects on reaction times of Air Traffic Controllers t

Question

A researcher examines the effects on reaction times of Air Traffic Controllers taking a minimum of 45 minutes exercise each day. Subjects recorded the length and time spent exercising on a daily basis. After two weeks, subjects turned in their daily exercise logs to the researcher and reaction time measures were taken. Clearly, participants who exercised more had the better the reaction times. The researcher concludes that exercise leads to better reaction time. a. Type of investigation? b. Variables?

Explanation / Answer

a) Type of investigation: Observational study, where, subjects recorded leangth and tim espent on execrcising and reseracher just made conclusion based on available data on record. No manipulation of treatments were made and no control group was considered.

b) Independent variables: Leangth and Time spent on execrcising and dependent variable: Reaction type.

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.