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21 Cards in this Set
- Front
- Back
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1. An instrument can be valid even when it is not reliable.
A) True B) False |
F
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2. Specificity refers to the ability of a screening instrument to correctly identify cases.
A) True B) False |
F
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3. A reliable measure is one that minimizes the error component of an obtained score.
A) True B) False |
T
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4. The major criterion in assessing the adequacy of a sample in a quantitative study is the degree to which it represents the characteristics of interest in the population.
A) True B) False |
T
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5. In a quantitative study, larger samples are more likely to represent the population on the attribute of interest than smaller samples.
A) True B) False |
T
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6. If a researcher posted a recruitment notice on a website, people who responded and participated in the study would comprise a convenience sample.
A) True B) False |
T
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7. Power analysis is used to estimate the sample size needed to adequately test research hypotheses.
A) True B) False |
T
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8. In a qualitative study, sample size decisions are often guided by the principle of date saturation.
A) True B) False |
T
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9. Qualitative researchers often strive to purposefully select sample members based on needs.
A) True B) False |
T
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10.Qualitative samples tend to be small primarily because in-depth interviews are so time-consuming that there is insufficient time of large samples.
A) True B) False |
F
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11.Sampling may be defined as the:
A) Identification of the set of elements used for selecting study participants B) Process of selecting a subset of the population to represent the entire population C) Assignment of study participants to treatment groups D) Technique for ensuring that every element in the population has an equal chance of being included in the study |
B
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12.Samples of 10 or fewer subjects would be most likely to be found in a:
A) Grounded theory study B) Ethnography C) Phenomenological study D) Mixed method study |
C
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13.Qualitative researchers begin with a formal research question and then develop hypotheses to be tested while in the field.
A) True B) False |
F - hypothesis testing is for quantitative
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14.Research questions for a quantitative study specify the major variables in the study and the population under investigation.
A) True B) False |
T
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15.A simple hypothesis states the expected relationship between one independent variable and one dependent variable.
A) True B) False |
T
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16.The research question “What is the decision-making process among intensive care unit nurses who decide to assist terminally ill patients to dic?” is:
A) Most likely to be addressed using a quantitative approach B) Most likely to be addressed using a qualitative approach C) Not researchable D) Not appropriately worded |
B
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17.The research question “Does maternal stress during the first trimester of a pregnancy affect infant birth weight?” is:
A) Acceptable as stated B) Not researchable C) Not Feasible for research inquiry D) Not of clinical significance |
A
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18.A research hypothesis indicates the expected relationship between:
A) The functional and causal nature of the variables B) The statement of purpose and the research questions C) The independent variable and the dependent variable D) Statistical testing and the null hypothesis |
C
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19.The hypothesis “Women who job regularly are more likely than those who do not to have amenorrhea” is:
A) Null B) Not correctly worded C) Directional D) Non-directional |
C
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20.The hypothesis “A person’s emotional status is not affected by a relocation to a nursing home” is:
A) Null B) Not correctly worded C) Directional D) Non-directional |
A
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21.Which of the following is an example of a complex hypothesis?
A) Younger nurses are more likely to hold favorable attitudes toward unionization of nurses than are older nurses. B) The greater the amount of reinforcement a new father receives from his wife, the greater the number of functional activities he will perform for the newborn. C) Clinical specialist nurses perceive they have more job autonomy in the hospital than do staff nurses. D) Among pregnant women, emotional well-being is influenced by the woman’s desire for a child, her self-esteem, her resourcefulness, and her degree of social support. |
D
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