Part C. Identifying Sampling Techniques (4 questions, worth 1 point each for a total of 4 points). Read the following sampling examples and correctly identify the one best type of sampling the researchers are using. You might use response options more than once and some might not be used at all. Type of sampling: Cluster Sampling, Snowball sampling, Quota Sampling, Purposive Sampling, Simple random sampling, Convenience Sampling, Stratified random sampling

Dr. Williams has created a new measure of social anxiety for teens. Dr. Williams is examining the validity of his new measure and finds that his new questionnaire is predictive of a diagnosis of social anxiety disorder. What type of validity did Dr. Williams establish with his new questionnaire?

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 A. Multiple-choice questions (14 questions, worth 2 points each for a total of 28 points). Choose the best or most appropriate answer from the choices listed below the question stem. There is only one correct answer for each question. Make sure to read the questions clearly before answering and clearly indicate which answer you are choosing.

This type of validity examines the extent to which two measures are unrelated to one another.

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

A nurse is reinforcing safety education with a 16-year-old adolescent and their parents. The nurse asks the teen to describe safety practices they follow. Which of the following statements by the adolescent demonstrates the safest choice and an understanding of age-appropriate safety?

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?

What type of reliability examines responses from individuals on a questionnaire at only one time point to determine if the items yield consistent results?

A nurse is caring for a 13-month-old toddler during a well-child visit. When the nurse approaches, the child begins crying, clings tightly to the caregiver, and turns away from the nurse. The caregiver appears embarrassed and states, “I don’t know why my child is acting this way.” Which of the following interventions should the nurse implement to help decrease behaviors associated with separation anxiety?