The value of _____ X Ys. will be equal to Ys when
a. rfor variables X and Y= zero
b. rfor variables X and Y= plus or minus 1.00
c. the mean of X is equal to the mean of Y
d. the standard deviation of X is equal to the standard deviation
of Y
A
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Instead of manipulating variables, the researcher measures the extent to which changes in one variable are accompanied by changes in a second variable. What type of study is this?
a. analogue c. epidemiological b. experimental d. correlational
In the ______ phase of the sexual response cycle, the genitals become engorged with blood, causing erection of the penis in males, and erection of the clitoris and nipples in females
a. plateau c. excitement b. orgasm d. resolution
Sexual partners, whether dating, cohabiting, or married, tend to be similar in __________
A) age, education, and ethnicity B) age and education, but not in ethnicity C) ethnicity and education, but not in age D) age and ethnicity, but not in education
The somatic nervous system is associated with processing____________
a. emotions b. complex thought c. information from glands and involuntary bodily processes d. messages from sense organs