In comparison to how well a group of young adults performs, a group of older adults would likely perform LEAST well on which of the following tasks?
a. typing quickly and accurately
b. spelling
c. recalling historical facts, such as the names of the first 4 presidents of the U. S.
d. reading for meaning
a
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Jenny and Jason are fraternal twins. They have an older sister named Katy. Jenny and Jason were in the womb at the same time but are not the same gender. Jenny and Katy are both female, but Katy is older
Given these dynamics, what might you hypothesize about the correlation between their various IQ scores? a. Jenny and Katy would have a high correlation of .75 because they are female siblings. b. Jason and Katy would have a very low correlation of .20 because they are opposite genders. c. Jason and Jenny would have a correlation a bit above. 50 because they are fraternal twins. d. Jason and Jenny would be no more alike than Jason and Katy are.
Some data links "tomboy" behavior (rough and tumble play) in girls to:
a. prenatal exposure to testosterone b. prenatal exposure to estrogen c. early childhood (age 6) exposure to epinephrine d. early childhood (age 6) exposure to pituitary growth hormone