Studies of the Effects of Sex Hormones in Adults Have

question 116

Multiple Choice

Studies of the effects of sex hormones in adults have shown that:

• A) testosterone improves rats' ability to find the platform in a water maze.
• B) women tested at points in their menstrual cycle when estrogen is high outperform women tested when their estrogen is low.
• C) recall of words is worse in women than in male-to-female transsexuals undergoing estrogen therapy.
• D) testosterone may promote learning on tasks requiring recall of specific verbal information.

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Definitions:

Least-squares Regression

A statistical method used to determine the line of best fit by minimizing the squared differences between observed values and those predicted by a linear function.

Mixed Cost

Expenses that have both fixed and variable components, varying with the level of activity but not in direct proportion.

High-low Method

A technique used in cost accounting to estimate variable and fixed costs based on the highest and lowest levels of activity.

Fixed Manufacturing Cost

Costs that do not change with the level of production, such as rent, salaries, and insurance.