One distinction between percentiles and standard scores is that percentiles
a) express a raw score in terms of how many scored below it, while standard scores express a raw store in terms of the mean and standard deviation.
b) always have a standard deviation of 10, while standard scores have a standard deviation based on the specific sample used.
c) have a mean and median of 0, while standard scores have a mean and median of 100.
d) express the raw score in terms of percent correct, while standard scores compare the raw score to the scores of a sample of examinees.
a
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Eileen and Kevin are first time expectant parents who have decided to wait until the birth of their child to find out the gender. When the momentous occasion finally arrives and the baby is born, an exhausted Eileen, without any hesitation,
immediately asks the doctor "Is it a boy or a girl?" Our eagerness to know the gender of babies as soon as they are born supports the notion that ____. a. it is important to know the gender for appropriate postnatal care of the baby b. sexuality underlies our most basic identities c. the gender of the baby may influence whether the parents want to give the baby up for adoption d. the trend for waiting until the birth of the baby to reveal the gender is on the rise despite the high accuracy of today's ultrasounds
Whenever Kelly engages in vaginal intercourse, she experiences pain in the vagina and around the vaginal entrance. This condition is defined as _____.
A. frigidity B. anorgasmia C. chlamydia D. dyspareunia
Which of the following effects is associated with the use of nicotine during pregnancy?
A. Withdrawal symptoms B. Cleft palate C. Congenital heart defects D. Low-birth-weight E. Fetal alcohol syndrome
According to the text, compared to other methods of administering surveys, Web-based surveys offer the advantage of
A. not being reliant on self-reports. B. being able to study taboo sexual behavior. C. providing a researcher with the control of the survey environment. D. a sample free from bias.