Stratified and proportionate stratified sampling both involve selecting individuals from predetermined subgroups in the population
a. True
b. False
Indicate whether the statement is true or false
True
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In 2012, the national graduation rate for four year colleges was after years
a. 85%; four b. 85%; six c. 58%; six d. 30%; three
An unconditioned stimulus:
A. automatically triggers a physiological reflex B. requires conscious effort C. is paired with a conditioned response D. is acquired through practice
Roger Sperry and his colleagues discovered that information could be transferred from one cerebral hemisphere to the other via the:
a. corpus callosum and optic chiasm b. corpus callosum and amygdala c. hippocampus and optic chiasm d. hippocampus and optic amygdala
Which of the following statements can be used as evidence for the idea that infant characteristics cause differences in attachment?
A) Infants with special needs more often develop insecure-disorganized attachments. B) Infants with insecure attachments tend to cry more than securely attached infants. C) Infants with insecure-resistant attachments are less alert and less active from birth. D) These statements are correlational and cannot be used as evidence for causal relationships.