What parental characteristics make it more likely children will be born with a chromosomal disorder?
a. mother's diet during pregnancy
b. whether the mother or father has a chromosomal disorder themselves
c. father's age
d. mother's age
Answer: D
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Amy and George were practicing a song for a cultural program. Their music teacher insisted that Amy sing the verses in a high pitch. Which of the following could be a reason for the music teacher's decision to select Amy for the high pitch sounds and not George?
A) A woman's vocal cords are usually shorter and vibrate at a greater frequency. B) The pitch of a man's voice is usually too high to resonate. C) A man's vocal cords are shorter and therefore vibrate at a lower frequency. D) The pitch of women's voices is usually lower than that of men's voices.
According to Piaget, the preoperational stage of cognitive development begins at _____ and ends at about age _____.
A) birth; 2 years B) 2 years; 6 years C) 6 years; 11 years D) 11 years; 18 years
The following: H1: In the general population, older individuals have lower memory scores than younger individuals, is an example of what type of alternative hypothesis?
A. null hypothesis B. one-tailed hypothesis C. simple alternative hypothesis D. two-tailed hypothesis
Which of the following is the hypothesis an evolutionary psychologist is most likely to put forth?
a. Humans dislike bitter food because it indicates that the flavoring is artificial. b. Humans are often scared of loud sirens because they are associated with the police. c. Humans are often scared of snakes because this trait protected our ancestors from deadly bites. d. Humans like sweet food because it is associated with special treats, like ice cream.