When creating an operational definition, care should be taken to ____
a. maximize face validity, even if at the costs of other types of validity
b. avoid leaving out important components of the construct
c. improve reliability by including components that are not part of the construct
d. measure just one aspect of the construct, leaving the others for later
b
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Children with siblings are
a. about as common as children with no siblings. b. slightly less common than children with no siblings. c. slightly more common than children without siblings. d. far more common than children without siblings.
Leonard's mother became dehydrated during a recent illness, and the levels of sodium in her body were significantly reduced. If enough sodium was lost, you might expect that
a. her nervous system would become highly activated and action potentials would be generated continuously. b. fewer action potentials would occur in her nervous system. c. more neurotransmitters would be produced in her terminal buttons. d. glial cells would start to degenerate and die.
Alternative individual intelligence tests
a. tend to be more stable than the Binet and Wechsler scales. b. are better than the two major scales when all relevant factors are considered. c. find their major advantage when used for their own unique purposes. d. are highly reliable and valid.
Human infants prefer "top-heavy" patterns, including human faces. What makes a human face top-heavy?
a. The large color contrast between the skin, teeth, and eyes b. The contrast between the size of the mouth and nose c. The eyes, hair, and upper part of the ear d. The fact that mommy's head is significantly larger than another infant's head