Answer Happy

QUESTION 31 What is the purpose of random assignment? O a. It decides who will be in the experimental group. O b. It increases the effects of demand characteristics. O c. It decreases the effects of independent variables. Od. It selects questions to be used in a survey. QUESTION 32 Why are sodium ions more concentrated outside an axon than inside? O a. sodium-potassium pump O b. magnetic fields generated by the ventricles O c. influence of hormones O d. electrical repulsion by the positive charge inside the neuron QUESTION 33 What did Piaget mean by "assimilation"? O a. a way of interacting with objects O b. modifying an old schema to new objects O c. applying an old schema to new objects O d. establishing harmony or balance
QUESTION 34 When are mirror neurons active? a. when you do something with the left hand and right hand at the same time b. when you do something or watch someone else do the same c. when you do one thing and then the opposite O d. when you do something and then repeat it QUESTION 35 Capsaicin, the chemical that makes jalapeños hot, has what practical application? O a. It can decrease itching. O b. It can increase touch sensitivity. O c. It can relieve aching muscles. Od. It can help recovery from a hangover. QUESTION 36 What is meant by "dualism"? O a. the belief that plant life and animal life evolved from separate ancestors b. the belief that two can live as cheaply as one c. the belief that heredity and environment are equally important O d. the belief that mind is separate from the brain
QUESTION 37 Children in Piaget's preoperational stage sometimes seem not to distinguish between what and what? O a. father and mother b. self and other O c. pleasant and unpleasant d. appearance and reality QUESTION 38 Why does L-dopa help to relieve Parkinson's disease? a. It mimics the effects of serotonin. b. Brain enzymes convert it to dopamine. c. It increases the metabolic rate of mitochondria. d. It removes phenylalanine from circulation. QUESTION 39 What does a cognitive psychologist study? a. thinking and problem solving b. the sympathetic and parasympathetic nervous systems O c. cooperation and competition d. motivation and emotion