Researchers have observed that women who wear bras for more than 16 hours a day are more likely to
develop breast cancer than those who spend less time in a bra. In other words, there is a correlation
between wearing a bra and breast cancer.
Based on this finding, which of the following statements is true?
A) Wearing a bra causes cancer.
B) Some additional variable may serve to explain the relationship observed between wearing a bra and
developing cancer.
C) All women should avoid wearing a bra for more than 16 hours a day.
D) There is no relationship between wearing a bra and breast cancer; these data are clearly flawed.
B
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Females are less likely to commit suicide because
a. they attempt suicide less frequently than males. b. they are less likely than males to be depressed, and depression contributes to suicide. c. they are likely to choose less lethal methods. d. they are less likely to experience as many stressors
One characteristic of random sampling with replacement is that it ____
a. allows for the same individual to be selected more than once b. allows the probabilities to vary from one selection to the next c. ensures that the probability of individual selection increases as selection progresses d. can be used even if the entire population is unknown
You attend a lecture in which a politician lists the 20 points of her platform in a relatively short period of time. After leaving the lecture, you are least likely to recall the points from the ____
a. ?end of the list b. ?ones with which you have had personal experience c. ?beginning of the list d. ?middle of the list
Many times, the first letters or syllables of words or ideas can be formed into another word that will serve as a reminder of order. This mnemonic technique is referred to as
a. using a system. b. the serial position effect. c. rote learning. d. progressive-part learning.