Exam 14: Data Analysis: Descriptive and Inferential Statistics

Which parametric statistical test( s )compares the difference between mental status scores for patients with dementia ( Group 1 )and patients with confusion from dehydration ( Group 2 )? (Select all that apply.)

(Multiple Choice)

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Question 21

Which measures of central tendency allow for relative rankings? (Select all that apply.)

(Multiple Choice)

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Question 22

The nurse researcher is interested in having the greatest flexibility possible in choosing statistical procedures.Which level of measurement should be used to achieve this?

(Multiple Choice)

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Question 23

Which of the following alpha levels should be interpreted by the nurse researcher as a highly statistically significant result?

(Multiple Choice)

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Question 24

The nurse researcher is using a nursing degree as a variable in a research study.What level of measurement would be most appropriate in this case?

(Multiple Choice)

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Question 25

What could a nurse researcher conclude about a variable of nominal level data that shows a high modal percentage?

(Multiple Choice)

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Question 26

The change in heart rate in a group of patients was reported as 10.95 ± 9.21.A patient who had a change in heart rate score of 23 is how many SD from the mean?

(Multiple Choice)

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Question 27

The nurse researcher's data contain extremes of high and low scores.Which measure of central tendency should the researcher plan to use in order to be least affected by extremes of high and low scores?

(Multiple Choice)

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Question 28

The nurse researcher is interested in describing and summarizing the characteristics of the sample used in the research study.Which type of data analysis should be used to allow this to occur?

(Multiple Choice)

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Question 29

What term represents the most frequent score in a frequency distribution?

(Multiple Choice)

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Question 30

A measure of anxiety produced a mean score of 5.4 with an SD of 1.6.Where would 68% of the scores fall?

(Multiple Choice)

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Question 31

The nurse researcher opts to use a measure of variability.Which measure of variability does the researcher recognize as being the most unstable?

(Multiple Choice)

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Question 32

Which measures of variability allow for rank ordering with equal intervals? (Select all that apply.)

(Multiple Choice)

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Question 33

Which statistical tests can have a range of correlation coefficients in values from -1.0 to +1.0? (Select all that apply.)

(Multiple Choice)

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Question 34

In a study of nurses' willingness to care for patients with a contagious disease,it was found that the greater the nurses' spirituality,the greater the willingness to provide care.Which type of correlation does this finding represent?

(Multiple Choice)

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Question 35

How can the nurse researcher know when to report the mean,mode,and median of a variable in a research study?

(Multiple Choice)

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Question 36

The nurse researcher opts to use ratio-level data.What will be the researcher's primary concern if this level of data is used?

(Multiple Choice)

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Question 37

Showing 21 - 37 of 37

Which parametric statistical test( s )compares the difference between mental status scores for patients with dementia ( Group 1 )and patients with confusion from dehydration ( Group 2 )? (Select all that apply.)

Which measures of central tendency allow for relative rankings? (Select all that apply.)

The nurse researcher is interested in having the greatest flexibility possible in choosing statistical procedures.Which level of measurement should be used to achieve this?

Which of the following alpha levels should be interpreted by the nurse researcher as a highly statistically significant result?

The nurse researcher is using a nursing degree as a variable in a research study.What level of measurement would be most appropriate in this case?

What could a nurse researcher conclude about a variable of nominal level data that shows a high modal percentage?

The change in heart rate in a group of patients was reported as 10.95 ± 9.21.A patient who had a change in heart rate score of 23 is how many SD from the mean?

The nurse researcher's data contain extremes of high and low scores.Which measure of central tendency should the researcher plan to use in order to be least affected by extremes of high and low scores?

The nurse researcher is interested in describing and summarizing the characteristics of the sample used in the research study.Which type of data analysis should be used to allow this to occur?

What term represents the most frequent score in a frequency distribution?

A measure of anxiety produced a mean score of 5.4 with an SD of 1.6.Where would 68% of the scores fall?

The nurse researcher opts to use a measure of variability.Which measure of variability does the researcher recognize as being the most unstable?

Which measures of variability allow for rank ordering with equal intervals? (Select all that apply.)

Which statistical tests can have a range of correlation coefficients in values from -1.0 to +1.0? (Select all that apply.)

In a study of nurses' willingness to care for patients with a contagious disease,it was found that the greater the nurses' spirituality,the greater the willingness to provide care.Which type of correlation does this finding represent?

How can the nurse researcher know when to report the mean,mode,and median of a variable in a research study?

The nurse researcher opts to use ratio-level data.What will be the researcher's primary concern if this level of data is used?

Integrating the Processes of Research and Evidence-Based Practice

Research Questions, hypotheses, and Clinical Questions

Gathering and Appraising the Literature

Introduction to Qualitative Research

Qualitative Approaches to Research

Appraising Qualitative Research

Introduction to Quantitative Research

Experimental and Quasi-Experimental Designs

Nonexperimental Designs

Sampling

Legal and Ethical Issues

Data-Collection Methods

Reliability and Validity

Understanding Research Findings

Appraising Quantitative Research

Developing an Evidence-Based Practice

Tools for Applying Evidence to Practice

Filters