Research Study Size Calculation and Measurement Levels Quiz
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Questions and Answers

What is the most appropriate research design to determine the impact of tobacco and alcohol use on the length of hospital stay of orthopedic surgical patients?

  • Ethnographic
  • Experimental
  • Correlational (correct)
  • Comparative descriptive

    • Which research design is suitable for studying the effect of a video teaching program on weight loss?

  • Equivalent groups post-test only design (correct)
  • Correlational design
  • Comparative descriptive design
  • Equivalent groups pre- and post-test design

    • What is the most effective research design to compare the effectiveness of two treatments in reducing local hematoma following femoral angiography?

  • Comparative descriptive
  • Experimental (correct)
  • One-shot case study
  • Correlational

    • How would establishing the reliability of a research design impact the study?

    <p>Mean that your study is reproducible</p> Signup and view all the answers

    What is the most appropriate method to study wound healing characteristics?

    <p>Pure observation</p> Signup and view all the answers

    Which of the following is an advantage of a stratified random sample?

    <p>It has the same proportion of important characteristics which exist in the population</p> Signup and view all the answers

    What method is most likely to result in the best response rates to questionnaires?

    <p>Making personal contact with participants</p> Signup and view all the answers

    What is the purpose of backing up a research database?

    <p>Identifying procedural problems</p> Signup and view all the answers

    What is the main purpose of conducting pilot studies?

    <p>Estimating data collection time per participant</p> Signup and view all the answers

    When using descriptive statistics, what is their main function?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is an example of ordinal data?

    <p>$2 - NURSING RESEARCH (PRE, POST)$</p> Signup and view all the answers

    What is a characteristic of ratio level data?

    <p>Measurable to any number of decimal points</p> Signup and view all the answers

    What is the purpose of size calculation prior to commencing a research study?

    <p>To make sure your study finds an effect if one is there to be found</p> Signup and view all the answers

    Where is the most precise level of measurement found?

    <p>Continuous analysis</p> Signup and view all the answers

    What is the purpose of using questionnaire scales?

    <p>Both A and B</p> Signup and view all the answers

    Why is triangulation used in research studies?

    <p>To confirm data and ensure their completeness</p> Signup and view all the answers

    What should a researcher do to maximize the order of measurements in a study?

    <p>Choose the highest scale of measurement possible</p> Signup and view all the answers

    At what point can data collection commence in a research study?

    <p>All of the above</p> Signup and view all the answers

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