The concept of degrees of freedom refers to the _____
a. number of scores plus one used to calculate the sample standard deviation for the
one-sample t test
b. number of scores minus one used to calculate the population standard deviation for a
t test
c. variation in critical values of t with differences in sample size
d. number of scores that are free to vary when calculating a statistic
D
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Social scientists often see family change in terms of the ________, or the developmental course of family relationships
a. family stages b. family life cycle c. psychosexual stages d. reciprocity struggle
Regarding marital rape, which of these statements is FALSE?
a. It has been estimated that at least 10% to 14% of married women have been raped by their husbands b. Marital rape is often accompanied by beating or other forms of physical abuse c. All 50 states have laws against marital rape d. none of the above-they are all true