Nursing quiz

1. "Cardiac patients who receive support from former patients have less anxiety and higher self-efficacy than other patients". This statement is an example of:

A. Directional hypothesis=

B. Non-directional hypothesis

C. Statistical hypothesis

D. Null hypothesis

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2. What is TRUE about research hypothesis?

A. States there is no relationship between the variables.

B. Statement about the expected relationship of the variables.=

C. States a negative relationship between the variables

D. Research hypothesis should always be directional.

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3. Hypothesis testing is sometimes called:

A. Exploratory data analysis

B. Power analysis

C.Deductive reasoning

D. Confirmatory data analysis

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4. The test's probability of correctly rejecting the null hypothesis is stated by:

A. Significance level of a test (α)

B. Effect Size

C. Power of a test (1 − β)

D. z = (xbar - µ) / (σ / √n)

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5. Type I error refers to:

A. Rejecting H0 when it is actually true=

B. Accepting H0 when it is actually false

C. Concluding no difference when one does exist

D. Rejecting research hypothesis when H0 is actually false

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6. Which statement is FALSE?

A. H0 and H1 are mutually exclusive

B. Two-tailed tests are more conservative.

C. Probability that the test will lead to a Type I error is Alpha-level

D. Hypothesis is formulated in experimental research.

E. Probability of falsely rejecting the true null hypothesis (type II error / alpha error)

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7. When considering levels of significance, critical value of z corresponding to the alpha level of .05 is:

A. .001

B. 1.96

C. 2.58

D. 3.29

Answer Key