Nicotine, the active chemical ingredient in cigarettes, can __________
a) produce biological and psychological dependency
b) cause anxiety and, sometimes, bleeding stomach ulcers
c) create a feeling of euphoria
d) become less addictive over time.
Answer: a
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a. positive. b. negative. c. inverse. d. zero.
If some of the synapses onto a cell have been highly active and others have not, only the active ones become strengthened. This is known as the property of ____
a. specificity b. cooperativity c. associativity d. NMDA
Researchers who want to find the best explanation of a phenomenon when they have several rival hypotheses should ____.?
a. ?describe the correlation among the variables involved b. ?conduct controlled research using experimental methods c. ?conduct research in the real world instead of in a laboratory d. ?continue observing the phenomenon of interest until the best explanation becomes clear
Visualization of going through all the steps of a presentation is an effective way to reduce communication apprehension
Indicate whether the statement is true or false