What is responsible for sharpening contrast at visual borders?

a. receptive fields
b. lateral inhibition
c. retinal disparity
d. the direction in which the light shines

b

Psychology

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If the correlations between one's self-concept and academic performance were positive, we could say that

a. academic performance and self-concept are largely unrelated. b. academic performance is an important cause of one's self-concept. c. one's self-concept is an important cause of academic performance. d. a self-concept and academic performance are related, but no causal relationship has been established.

Psychology

What did Langille and colleagues find in their extensive Canadian Heart Health study on 5,000 men and women?

a) Over half of those surveyed were hypertensive. b) About half had three or more major risk factors. c) Over half of those with hypertension were untreated. d) All of the above

Psychology