Medicine, 11.03.2021 01:30 bluenblonderw

In most investigations, researchers try to gather information from subjects of varying age, gender, fitness, and stature. Why did the researcher chose all the participants in this study with similar characteristics?
Select one:
O a. The age, weight, gender, and fitness are manipulated variables that must be kept constant to evaluate the effect on heat production in the
muscle
O b. The age, weight, gender, and fitness are manipulated variables that must be changed to evaluate the amount of heat produced by the
quadricep muscle
O c. The age, weight, gender, and fitness are controlled variables to ensure that the measured heat production is due to muscle activation rather
than the fitness level of the participant.
Od. The age, weight, gender, and fitness of the individuals are the responding variables in this experiment.

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In most investigations, researchers try to gather information from subjects of varying age, gender,...

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