The ______ only has one tail, because it can never be a negative value.
A. t-score
B. t test
C. ? level
D. F distribution
Answer: D
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In 2001, approximately of all healthcare costs were for mental health
a. 50% b. 25% c. 7% d. 1%
Nat has a psychological disorder, and his doctor has prescribed resperidone to help reduce the severity of Nat's symptoms. In this case, Nat most likely has:
a. negative symptoms of schizophrenia b. bipolar disorder c. positive symptoms of schizophrenia d. an anxiety disorder
The major finding of Walter Cannon's research into the physiological consequences of stress was that
a. psychological stress can cause a change in physical functioning that activates and assists our responses. b. psychological stress is the number one factor in the cause of heart disease. c. psychological stress, in small amounts, actually promotes cellular repair more rapidly than when that stress is absent. d. psychological stress causes the hormonal changes that mirror menopause in women and andropause in men, which is why stress so often leaves people "moody" and unpleasant.
In the case of a simple reflex, which of the following statements is true?
a) Sensory input leads directly to a motor reaction, but a secondary signal is sent to the brain b) Sensory input is provided to the brain, which then signals for a motor reaction. c) Sensory input leads directly to a motor reaction, without any brain involvement. d) Sensory input requires a motor reaction before information can be sent to the brain.