A two-factor study compares 2 levels of factor A and 3 levels of factor B with a sample of n = 5 participants in each treatment condition. This study uses a total of 25 participants
Indicate whether the statement is true or false
F
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In comparison to cones, rods ____
a. are more common toward the center of the retina b. are more sensitive to detail c. are more sensitive to dim light d. reach their peak firing levels slowly
Dirk believes that anxiety manifests itself in the same way regardless of where one lives. Dirk's beliefs represent an approach to the study of psychology known as:
A) absolutism. B) behaviourism. C) structuralism. D) relativism.
Piaget judged whether infants understood object permanence on the basis of whether
a. they responded affirmatively during interviews. b. a parent indicated that the ability was present. c. they stared longer at impossible scenes than at possible scenes. d. they searched for hidden or missing objects.
When using a _____ hypothesis the researcher predicts that the groups being compared will differ, but does not predict how they will differ
a. null b. directional c. one-tailed d. two-tailed