Regarding the decision to use either a directional or nondirectional alternative hypothesis, most researchers
a. have no convention at all in practice because there are pros and cons to each choice.
b. typically use nondirectional alternative hypotheses if the significance level is .05 and directional if it is .01.
c. prefer to use directional because of the increase in statistical power.
d. use nondirectional alternative hypotheses because this allows you to reject the null if your finding occurs in the opposite direction from your prediction. That is, it allows you to discover something new.
Answer: d. use nondirectional alternative hypotheses because this allows you to reject the null if your finding occurs in the opposite direction from your prediction. That is, it allows you to discover something new.
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The instructor is teaching the beginning nursing class how to calculate pulse pressure. If the patient's systolic pressure was 122 mm Hg and the diastolic pressure was 75 mm Hg, what would the pulse pressure be?
A) 57 B) 60 C) 54 D) 47
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The nurse is providing care to a postpartum client who is relinquishing custody of her newborn through an open adoption. Which nursing action is most important?
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