Why is it important to know what level of measurement was used in a study?
a. So you can judge the external validity of the study
b. So you can determine whether the IV caused a change in the DV
c. So you can determine whether the study was correlational or experimental
d. So you can decide what statistic is appropriate to use
Ans: D
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Which technique is dependent upon the release of oxygen from hemoglobin molecules?
a. PET b. rCBF c. MRI d. fMRI
Researchers find that depressed people recall depression related words better than nondepressed people. This finding is used to support which concept?
A. Learned helplessness B. Depressive schema C. Explanatory style D. Locus of control
Which of the following is NOT one of the three main types of symptoms that occur in schizophrenia?
a. positive symptoms b. negative symptoms c. cognitive symptoms d. general symptoms
Which of the following is NOT characteristic of interviews carried out by police officers?
A. The use of leading, informative questions B. The use of brief, direct questions C. The use of little or no assistance in encouraging eyewitnesses' recollections D. A willingness to let victims answer at length without interruption