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Author Archives: Anonymous

Compute the positive predictive value (PPV) of this test in…

Compute the positive predictive value (PPV) of this test in this scenario to two decimal places (e.g., 0.59).

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A screening program would be most appropriate when

A screening program would be most appropriate when

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A large effect size is necessary for a causal relationship t…

A large effect size is necessary for a causal relationship to exist.

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Which of the following procedures were used in Seligman’s le…

Which of the following procedures were used in Seligman’s learned helplessness studies?

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Odds ratios are commonly used because case-control studies

Odds ratios are commonly used because case-control studies

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Which variables are statistically significantly associated w…

Which variables are statistically significantly associated with obesity at the 0.05 level? Sex [sex] Screen time [screen] Fruit/vegetable intake [fruits]

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How did Herrmann et al.’s (2007) study provide support for t…

How did Herrmann et al.’s (2007) study provide support for the social intelligence hypothesis?

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A case-control study with cases selected from the hospital a…

A case-control study with cases selected from the hospital and controls selected from active military duty will be at risk of

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Suppose a screening test for HIV is performed in East Asia a…

Suppose a screening test for HIV is performed in East Asia and sub-Saharan Africa. HIV is more prevalent in the latter. Relatively speaking, the test in East Asia will have lower

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Selection bias is typically a bigger problem in case-control…

Selection bias is typically a bigger problem in case-control studies than cohort studies.

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