An experimenter uses the pretest posttest design to test the effectiveness of a new drug in reducing joint pain. The null hypothesis would state that _____
a. affects hallucinations
b. increases hallucinations
c. the new drug does reduce hallucinations
d. decreases joint pain
C
The null hypothesis states that the treatment (the new drug) does not cause the effect (reduce hallucinations.
Psychology
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Neurotransmitters are found in the
A) mitochondria. B) cell body. C) synaptic vesicles. D) dendritic spines.
Psychology
Retroactive interference of long-term memory means ______
a. new material interferes with remembering old material b. new material represses short-term memories c. old material interferes with remembering new material d. old material has eliminated memories of new material
Psychology