. A researcher assesses stress by measuring levels of cortisol in the blood. This is a(n) ______ definition of stress.
A. operational
B. theoretical
C. experimental
D. descriptive
A. operational
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. Multiple sclerosis results in loss of coordination, jerky movement, muscular weakness, and speech disturbance through the deterioration of _____
a) axons. b) neurons. c) myelin. d) neural membranes.
According to research, how does the moral reasoning of males and females compare?
a. Males think about moral issues in terms of justice, while females think about moral issues in terms of caring for others. b. Males emphasize interpersonal relations when using moral reasoning, whereas females are more likely to consider justice. c. Male moral reasoning tends to be more advanced than female moral reasoning. d. Males and females do not differ markedly in the bases of their moral reasoning.
The consensus among modern researchers is that the function of sleep is ______.
A. restoration B. adaptation C. cleansing D. unclear
The two independent samples t test is used to compare differences in interval and ratio data between two groups in an experiment.
Answer the following statement true (T) or false (F)