Anne has difficulty moving her arm when it is stimulated. Specifically, the brain receives the stimulation, and it and the spinal cord are functioning normally. Which type of neuron is probably affected?
A) sensory neurons
B) motor neurons
C) interneurons
D) Purkinje cells
B) motor neurons
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In which of Piaget's stages would thinking be like that of adults?
a. Preoperational b. Concrete operations c. Sensorimotor d. Formal operations
Which event is best associated with Erikson's integrity versus despair stage of development?
a. Committing to a long-term relationship b. Having your first child c. Comparing yourself to your peers d. Life review
An artifact such as demand characteristics can threaten both the internal and the external validity of a research study
a. True b. False Indicate whether the statement is true or false
Megan believes she has found a medication that will greatly reduce the symptoms of depression, so she decides to conduct an experiment to test her __________. She randomly assigns depressed people to one of two groups. One group of participants takes the medication, while the other group gets only sugar pills. The latter group is receiving a __________.
A. hypothesis; placebo B. theory; random variable C. bias; treatment D. intervening variable; placebo