Why might rates of infectious disease be the best predictor of national differences in IQ?

A. spurious correlation that is not attributable to any causative factors
B. presence of confounds creates a false positive significant result
C. fighting off childhood disease robs body of energy for brain growth
D. it takes into consideration the increasing mortality of older, less intelligent individuals


Answer: C

Psychology

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Jodi is perplexed by the fact that her six month old daughter Alexis picks up her food with either her right or left hand. When will Alexis begin to show a preference for using one particular hand when grasping?

A. 7 to 11 months B. 13 to 17 months C. 19 to 23 months D. 25 to 29 months

Psychology

Explain the difference between algorithmic and heuristic approaches to solving problems. Then provide one algorithmic and one heuristic strategy for deciding how much paint you would need to paint your bedroom

What will be an ideal response?

Psychology

Currently, scientists' main focus in developing biological treatments for autism spectrum disorder (ASD) is geared toward

A. finding pharmacological treatments for specific behaviors or symptoms. B. finding pharmacological treatments for the core neurobiological deficits in autism. C. developing gene therapy. D. refining neurosurgical techniques previously used for seizure patients.

Psychology

Dr. Newman asks people to recall the name of their kindergarten teacher. Surprisingly, the majority of people correctly do this and comment, "Gee whiz, I haven't thought about that old bat [or old coot] in years!"

Their ability to do so is a severe problem for which theory of forgetting? a) interference theory b) decay c) encoding failure d) retroactive interference

Psychology