Which of the following data sampling method is most likely to represent the population from which it was sampled?

a.Convenience Sample

b.Propensity Sample

c.Samples are never representative of the population

d.Random Sample

Which of the following is a Research Question that can be answered using data?

a.How do people arrive in the Emergency Department?

b.Which hospital gown are patients most comfortable wearing?

c.How many people are obese in a given community?

d.All of the Above

Which of the following describes a convenience sample?

a.Participants volunteer

b.Random-digit dialing for a survey

c.Only including people you know in your sample

d.Gathering your data from your sample at your convenience

Which is a benefit of random sampling when compared to convenience sampling?

a.Easiest way to sample

b.Best representation of the population

c.Participants are used anonymously

d.You do not have to reimburse participants for any costs

In a wide or long formatted dataset, which of the following would be represented by the rows?

a.Patient Systolic Blood Pressure

b.Patient identification

c.Patient age

d.There are no rows, only columns

Which of the following is a sample and not a population?

a.People who live in your town

b.People who respond to a national survey

c.Patients admitted to Roper Hospital during March of 2006

d.Sixth grade boys attending Mount Hope elementary school.

For which of the following would you want to use a population and not a sample?

a.Determining the number of children in a school district to ensure you have enough teachers

b.Estimating the percent of people in your county that are over 65

c.Predicting daily hospital census in the State of Indiana

d.None of these, you never want to use a population as there are too much data to work with

Which of the following data collection methods produces the highest level of evidence?

a.Cross-sectional survey

b.Case-control study

c.Cohort study

d.Systematic review