Nursing Research NCLEX Practice Quiz #2

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Which one of the following statements about hypotheses is most accurate?

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Although theories cannot be tested directly, hypotheses provide a bridge between theory and the real world. It is the research question that represents the main idea to be studied (A). Theories cannot be tested directly (C). The research question is also called the problem statement (D).

A nurse wants to study the effectiveness of meditation on people with anxiety disorder. Which variable would be most relevant to explore in the literature on this topic?

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What is a characteristic of an independent variable?

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The independent variable is manipulated by the researcher and has a presumed effect on the dependent variable. It is the dependent variable that is predicted to change (A). The independent variable is presumed to change the dependent variable (B). The independent variable is manipulated by the researcher and is identified at the beginning of the study (D).

Which statement is most accurate regarding hypotheses?

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Hypotheses are statements about the relationships between two or more variables that suggest an answer to the research question. Hypotheses are not concerned with operationally defining the variables involved in the study (A). The independent variable is not affected or changed by the dependent variable (C). Hypotheses are not concerned with operationally defining the variables involved in the study, including treatments or interventions (D).

What is a characteristic of a hypothesis?

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A hypothesis implies a causative or associative relationship. A hypothesis guides the research design and collection of data (A). Operational definitions are not included in the hypothesis (B). The hypothesis indicates the dependent variable (C).

When should a hypothesis be developed by the researcher during the research process?

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The hypothesis is developed after development of the research question.

Which research hypothesis is most testable?

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This hypothesis meets the criteria of testability.

What is a characteristic of a statistical hypothesis?

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Statistical hypotheses, called null hypotheses, state that there is no relationship between the independent and dependent variables.

When will a null hypothesis be rejected?

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Because the null hypothesis states that there is no relationship between the independent and dependent variables, it is rejected if they are related.

Which level is characteristic of the strength of the evidence provided by the results of a quasi-experimental study?

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Evidence provided by quasi-experimental studies is level III. Level I evidence is obtained from a systematic review of all randomized, controlled trials. Level II evidence is obtained from at least one well-designed randomized, controlled trial. Level IV evidence is obtained from nonexperimental studies.

A researcher wants to discover why patients of certain ethnic backgrounds are reluctant to ask for pain medication. Because there are little data in the literature on this topic, the researcher designs a study to explore the relationships between cultural belief systems, the experience of pain, and the effective use of medication to relieve pain. The researcher plans to use the findings of this study to formulate hypotheses for a future study. What is a characteristic of this study?

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Not enough is known in this area at this time to formulate hypotheses, so the researcher will conduct this qualitative study and use the findings to generate hypotheses for future studies. This is a qualitative study, not a quasi-experimental study. Level II evidence is obtained from at least one well-designed randomized, controlled trial. This study has no hypothesis.

The nurse develops the following hypothesis: Elderly women receive less aggressive treatment for breast cancer than do younger women. Which variable would be considered to be the dependent variable?

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The degree of treatment received is considered the dependent variable.

The nurse develops the following hypothesis: Elderly women receive less aggressive treatment for breast cancer than do younger women. Which variable would be considered to be the independent variable?

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The age of the patient would be the independent variable.

The following are considered steps in the qualitative research process, except?

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A hypothesis is the tool of quantitative studies, and is only found in such studies.

Which of the following could be considered the “context” of a study? Select all that apply.

Please select 2 correct answers

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Which beliefs guide the constructivist paradigm? Select all that apply.

Please select 2 correct answers

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Which of the following are consistent with the constructivist paradigm? Select all that apply.

Please select 2 correct answers

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Which paradigm provides the basis for qualitative research?

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The paradigm that provides the basis for qualitative research is constructivism.

Which type of research allows researchers to be neutral observers?

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In qualitative research, researchers are never considered neutral (A). In ethnography, a type of qualitative research, researchers are never considered neutral (B). In case studies, a type of qualitative research, researchers are never considered neutral (D).

Which type of research study can be affected by detracting values of the researcher?

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The values of the researcher must be acknowledged in qualitative research (A). The values of the researcher must be acknowledged in naturalistic research (B). The values of the researcher must be acknowledged in qualitative research (C).

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