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A study examines the relationship between hours of sleep and GPA among college students. The results of the correlation coefficient is -0.62. Which of the following is the best interpretation:

A group of children diagnosed with asthma are compared to a group of children without asthma to understand how exposure to air pollution influences the development of asthma.

Part D. Classify each of the following as: Nominal, Ordinal, Interval, or Ratio by writing the scale of measurement after each example (6 questions, worth 1 point each for a total of 6 points)

A researcher wishes to collect feedback regarding effective teaching strategies used at their university. They choose to sample the students from their classes who have the highest grades.

If researchers want to ensure that extraneous variables are equally likely to affect participants, what do they do within their study design?

Part B. Identifying Research Designs (6 questions, worth 1.5 point each for a total of 9 points). Read the following research study examples and identify the one best type of study design described in each example. You might use response options more than once and some might not be used at all. Options: Case Study, Systematic Observation, Naturalistic Observation, Archival Research, Cohort Study, Case Series Study, Case Control Study.

A caregiver of a 20-month-old toddler tells the nurse, “My child barely eats at meals anymore. I’m worried something is wrong.” Which of the following responses by the nurse is most appropriate?

A nurse is preparing to perform a health maintenance visit for an 8-month-old infant. Which of the following assessment findings and nursing actions are most appropriate for this visit?

A nurse must obtain a blood sample from a 2-year-old child who is likely to resist the procedure. Which action is most appropriate to ensure the child’s safety and proper restraint during the procedure?

The nurse is assessing factors that influence a child’s perception of pain. Which of the following situations is most likely to intensify a child’s response to pain?