In a Study Testing the Effects of Human Chemosignals, Non-Breastfeeding

question 152

Multiple Choice

In a study testing the effects of human chemosignals, non-breastfeeding women were exposed to chemical substances from the perspiration of breastfeeding women. What effect did the chemical substances have on the non-breastfeeding women? They experienced a significant:

• A)increase in sexual motivation.
• B)decrease in sexual motivation.
• C)increase in mood and energy levels.
• D)decrease in mood and energy levels.

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Definitions:

Variance

Variance is a statistical measure that represents the degree of spread in a dataset's numbers; it quantifies how far each number in the set is from the mean and thus from every other number in the set.

Marginal Probability

The probability of a single event occurring without consideration of any other events, typically found in the context of probability distributions.

V(X + Y)

The variance of the sum of two random variables, reflecting the spread or variability of their combined distribution.

Probability Distribution

A mathematical description of the likelihood of occurrence of different possible outcomes in an experiment.