Why do researchers use falsification?
A. to eliminate potential bias.
B. to prove the validity of their hypothesis.
C. to isolate causal variables
D. to apply scientific principles to problem solving
Answer: B
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Dennis is preparing for his retirement. How much savings will he need to be comfortable in his retirement?
a. 35% to 50% of his current income. b. 50% to 65% of his current income c. 65% to 75% of his current income d. 75% to 90% of his current income
Gerald has developed Parkinson's disease due to a deficiency in a neurotransmitter, while Al developed schizophrenia due to an excess of this same neurotransmitter. The excitatory neurotransmitter that appears responsible for both of these conditions is
a. dopamine. b. acetylcholine. c. serotonin. d. glutamate.
During the time when society explained mental illnesses as demonic possession or evil, the treatments for psychological disorders were
a. more humane. c. nonexistent. b. forgiving. d. mostly punitive.
Researchers have shown that the side of the brain that controls babbling
a. is the same as the side that controls later language. b. is different from the side that controls smiling. c. is different from the side that controls later language. d. merges with the side that controls later language.