Question

7. (1 pt) Using the information provided, indicate which statistical test you think should be used for each of the following situations (a-d):

a) Independent variable: normal birth weight vs. low birth weight infants; dependent variable: breathing rate (in breaths per minute).

b) Independent variable: time of measurement of same patient (before and after surgery); dependent variable: heart rate.

c)Independent variable: time of measurement (before, during, and after intervention); dependent variable: did vs did not exercise regularly

. d) Independent variable: infertility treatment A vs infertility treatment B vs control condition; dependent variable: did vs did not become pregnant.

Answer 1

a) Independent variable: normal birth weight vs. low birth weight infants; dependent variable: breathing rate (in breaths per minute).

TWO SAMPLES INDEPENDENT TEST (T TEST)

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b) Independent variable: time of measurement of same patient (before and after surgery); dependent variable: heart rate.

PAIRED T TEST

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c)Independent variable: time of measurement (before, during, and after intervention); dependent variable: did vs did not exercise regularly

ANOVA

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d) Independent variable: infertility treatment A vs infertility treatment B vs control condition; dependent variable: did vs did not become pregnant.

ANOVA

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THANKS