To estimate the standard deviation of the sampling distribution when using a single-sample t test, we use the
a. estimated standard deviation
b. estimated population standard deviation.
c. estimated standard error of the mean.
d. true standard error of the mean.
c
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Sydney is 3 years old. Her height and weight are determined by
a. biological factors only, such as genetics. b. external factors only, such as nutrition and parenting style. c. the combined influence of factors such as genetics and nutrition. d. her level of cognitive and socioemotional development.
Sydney has been receiving treatment for a psychological disorder. The drug that she has been given slows the reuptake of serotonin. Sydney is responding well to treatment, and her psychological disorder is being controlled by the drug that has been prescribed. In this case, Sydney's diagnosis was most likely:
a. schizophrenia b. dissociative identity disorder c. conversion disorder d. major depression
Which of the following statements concerning penile erection is FALSE?
A) ?It is a process coordinated by the parasympathetic division of the autonomic nervous system. B) ?The capacity for erection is present at birth. C) ?Nighttime erections occur during the rapid-eye movement stage of sleep. D) ?Morning erections occur as the result of a full bladder.
The rank-order tests are designed primarily for data on which scale of measurement?
A) ordinal B) nominal C) interval D) ratio