N6208 Assignment 5 T tests(2).doc - Michelle Beccio...

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Michelle Beccio Assignment 5 N6208N6208 Assignment 5Chapter 6: t-tests1For which of the following situations is the independent groups t-testappropriate (if inappropriate, indicate why):a)The independent variable (IV) is type of stimulation for premature infants (auditory vs. visual vs. tactile); the dependent variable (DV) is cardiac responsiveness. Inappropriate:the ID is not a dichotomous nominal variableb)The IV is parental role within couples (mother versus father); the DV is degree of bonding with the infant. Inappropriate: subjects are paired to each other based on bonding with infant.c)The IV is infant birthweight (low birthweight vs. normal birthweight); the DV is number of days absent from school in first grade. Appropriated)The IV is sex (men vs. women); the DV is compliance vs. noncompliance with a medication regimen. Appropriatee)The IV is radiation treatments (before vs. after treatment); the DV is cancer patients' perceived self-efficacy. Inappropriate: the same participants are being compared; therefore is a dependent t test.
2For which of the following situations is the dependent groups t-test appropriate (if inappropriate, indicate why):

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