Experiment. Survey. Primary and Secondary Data. Interview. Objectives of this lesson: Primary and Secondary Data. Define secondary and primary data Describe primary data collection methods Describe sampling techniques
Population - total group of respondents that the researcher wants to study. Populations are too costly and time consuming to study in entirety.
Sample - selecting and surveying respondents (research participants) from the population.
A probability sample is one that gives every member of the population a known chance of being selected.
All are selected randomly.
A non-probability sample is an arbitrary grouping that limits the use of some statistical tests. It is not selected randomly.
DisadvantagesPrimary Research Methods
Select the correct types of questions:
_____ mammogram (if a women)
_____ prostate exam (if a man)
_____ lung x-ray
_____ stress test
Prepare a questionnaire (word processed on paper) that you utilized to gather the primary data for the formal report case.
Remember, you should include on the survey:
You should NOT include on the survey:
The purpose of this survey is to help management identify family issues that our employees experience that are related to job performance. Please respond to the following survey items by checking the appropriate response next to each question/item. Your responses are completely anonymous and will only be used to assess overall employee characteristics.
purpose of the survey