When a researcher conducts an experiment and is fairly certain that changes in the independent variable caused changes in the dependent variable, that experiment is said to be high in ____
a. construct validity
b. construct validity of the effect
c. internal validity
d. external validity
C
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A new, improved brain imaging technique for measuring glucose metabolism of the brain is called the
a. MANSCAN. b. PET scan. c. MRI. d. CT scan.
An interview designed to measure depression includes questions about cognitive and emotional aspects, but no questions about somatic aspects (weight changes, sleep disturbance, etc.). This interview clearly has imperfect __________ validity
a. predictive b. content c. discriminant d. concurrent
Research on toddler day care has found that __________________
a. all toddler day care is beneficial to children's development b. parental leave policies and day care are unrelated c. all toddler day care is harmful to children's development d. day care should be staffed by people with credentials who care about young children
Johannes, a two-year-old child, is presented with a pair of items in a preferential looking task. Which of the following most likely describes Johannes' looking pattern?
a. he looks longer at a car than at a truck b. he looks longer at a car than at a doll c. both a and b d. neither a nor b