Health, 22.10.2020 14:01 ravenmcfarlandp07okx

In a field study on jet lag, a condition created when the body's rhythm lags behind or ahead of the time of day it would be at the person's place of departure, the hypothesis was that the body's reactions of fatigue, dizziness, stomach aches, and mental confusion were caused by the rhythmic changes rather than just from the fatigue of flying. One group flew to China, crossing several time zones. Another group flew an equal amount of time and distance, but crossed NO time zones. In the study above, what was the independent variable?
a) The group that does not fly to Asia
b) The group that does not fly at all
c) Fatigue, trouble making decisions, dizziness, stomach aches
d) The alteration of the light-dark cycle from the time-changing flight path

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In a field study on jet lag, a condition created when the body's rhythm lags behind or ahead of the...

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