In a Study by Levine Et Al

question 21

Essay

In a study by Levine et al. (2005), elementary school children were tested in two areas of spatial performance: mental rotation and map reading. No gender differences were found among the low-income children, but the usual gender difference has found for middle- and upper-income children. What can you infer about these findings that explain the difference between low-income children and middle- and upper-income children?

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Definitions:

Semen

A fluid containing spermatozoa and secretions from the male reproductive organs, ejaculated during orgasm.

Prostate-specific Antigen

A protein produced by the prostate gland, elevated levels of which can indicate prostate cancer or other prostate conditions.

Vasectomy

A surgical procedure for male sterilization or permanent contraception, involving the cutting and sealing of part of each vas deferens.

Circumcision

A surgical procedure that involves the removal of the foreskin from the male genitalia, often performed for religious, cultural, or medical reasons.