To be statistically significant, a difference must be large enough so that it would occur by chance in less than five experiments out of 100
Indicate whether this statement is true or false
ANSWER: True
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David has been in a bad mood for three weeks. He just stays in bed, doesn't take care of himself, has thoughts of suicide, and feels utterly useless. David's parents can't understand why he just can't snap out of it. David is experiencing:
A. obsessive-compulsive disorder B. dysthymic disorder C. major depressive disorder D. bipolar I disorder
You have been given the task of designing an animal that needs to have an efficient nervous system, and the animal can be no larger than a human. What feature can you include in the animal's nervous system to ensure that it can respond quickly to its environment?
A. very short axons B. very long axons C. very wide axons D. myelinated axons
The first environment for heterosexual North American adolescents to discuss and explore romantic thoughts is often the
a. mixed-sex clique. b. first romantic relationship. c. same-sex clique. d. classroom.
The Vygotskian concept of zone of proximal development refers to __________
A) the adjustment of old schemes after noticing that current ways of thinking are flawed B) the cognitive discomfort that children feel during times of rapid cognitive change C) a range of tasks that the child cannot yet handle alone but can do with the help of more skilled partners D) internal depictions of information that the mind can manipulate