The variable manipulated in an experiment is called the
(a) dependent variable
(b) control variable
(c) random variable
(d) independent variable
D
Psychology
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In our early to middle ____, our immune system, senses, physiological responses, and mental skills are most efficient.
A. 20s B. 30s C. 40s D. 50s
Psychology
Involuntary muscles are controlled by the ________ nervous system
a) somatic b) autonomic c) sympathetic d) parasympathetic
Psychology
The nervous system is made up of cells called ______
a. somas c. axons b. neurons d. synapses
Psychology
A seventh-grade student who uses reading to learn about the world is likely in which reading stage?
a) Stage 0 b) Stage 1 c) Stage 2 d) Stage 3
Psychology