Week 2 Quiz (Chapter 3, Structure of Articles, Hierarchy of Evidence)

Question 1

Among children under 12 months, is there an association between the ability to hold objects and breastfeeding?

Answer 1

The independent variable (predictor) is breastfeeding.

Question 2

Which of the following would be considered a secondary study design?

Answer 2

A meta-analysis would be considered a secondary study design.

Question 3

This section of a research article provides a need for the study.

Answer 3

Introduction

Question 4

The number of new cases divided by the total population at risk during a defined period of time is:

Answer 4

Incidence

Question 5

This section of a research article may provide information regarding IRB approval.

Answer 5

Methods

Question 6

A valid research problem in healthcare focuses just one the improvement of diagnosing or treatment of individuals that are ill.

Answer 6

False

Question 7

Which question would not be helpful in refining a research problem?

Answer 7

Will this study be published?

Question 8

Which methods can be used to brainstorm a research topic?

Answer 8

• Observe any problems or challenges in the work environment
• Collaborate with a mentor or teacher
• Identify personal interest or topics that inspire curiosity

Question 9

A hypothesis is:

Answer 9

a statement of prediction or observation that can be evaluated, measured or analyzed

Question 10

What are the benefits of reviewing the research of others?

Answer 10

• After review, it may be that “pruning” or refinement of prior work is needed
• Healthcare professionals can advance the conversation on a topic
• Further discussions involves the expansion of ideas

Question 11

For deaf children with auditory implants, how will age of implementation impact spoken language development?

1. What is the study population?
2. What is/are the dependent variable(s)?
3. Is/are the dependent variable(s) categorical or continuous? (0.5 point)
4. What is/are the independent variable(s)?
5. Is/are the independent variable(s) categorical or continuous??
6. What is the null hypothesis?
7. What is an alternative hypothesis?
8. Is the alternative hypothesis one-sided or two-sided?

Answer 11

• Answers need verification*
  1. Deaf children with auditory implants
  2. Spoken language development
  3. Categorical
  4. Age of auditory implant implementation
  5. Continuous
  6. Ho: For deaf children with auditory implants, age of implementation does not impact spoken language development.
  7. Ha: For deaf children with auditory implants, age of implementation does impact spoken language development.
  8. Two-sided