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Course 653 Lesson 17

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Lesson 13 through 16
Course 653, Business Research Methods

This lesson allows you to elaborate on the work you did in Lesson 12. Using the research proposal you developed in Lesson 12 as a foundation, choose a sampling methodology that compliments your original proposal. Do not include specific questions in your proposal. Use the structure illustrated below. The proposal will be evaluated using, in part, your use of the methodologies described in the text.
Restate the Proposition or a Hypothesis developed in Lesson 12
~ From the example in Lesson 12: “banana quality is falling”
Restate the variables in the study
~ From the example above, the dependant variable is banana quality and the independent variable is time
Define the population and the population parameters that will be examined in the research.
~ The population is the banana crop
~ The parameter to be estimated is banana quality
Choose and defend the type of sampling you will be using. Be sure to note whether or not the sample will be probabilistic. Probabilistic
- Simple Random
- Systematic
- Stratified
- Cluster
- Double Non-probabilistic
- Convenience
- Purposive
- Snowball
~ Probabilistic:
~ Systematic sampling will be used. This is the best methodology considering the large number of bananas to be evaluated. The risk of periodicity will be minimized by insuring that the sample will contain bananas from across the whole plantation. The comparison sample will also be selected using a systematic approach to insure that all bananas in the freezer have an equal chance of being selected for the study.
Generally describe and defend the type of instrument you will be using to analyze the sample collected (questionnaire, interview, etc…)
~ Petrina and Horace, from the accounting department will evaluate the bananas. They both love bananas and have a keen sensibility

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