PSY 223 Milestone Two Worksheet    Review the critical elements that must be addressed in the final project

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PSY 223 Milestone Two Worksheet 

 

Review the critical elements that must be addressed in the final project. Use this worksheet to create Milestone Two. 

 

Points to remember:

 

• A sample is a subset of a population.
• A random sample is a type of sample. Every element of the population has an equal chance of selection into this kind of sample. 
• If a researcher takes a random sample from a population, he or she can conclude the sample mirrors the population. He or she can also conclude research on the sample will be the same as what one would find with the population. 
• The larger the size of a sample, the more a sample resembles the population.
• Whether a researcher sampled randomly, and the size of  the sample, affects results. Random, large samples provide bases for stronger, more reliable conclusions. Convenience (non-random) samples and/or smaller samples provide the bases for weaker and less reliable conclusions.
• No line divides a “small” sample from a “large” sample. As a guiding start, though, a researcher considers fewer than n = 30 to be relatively small.
• If a researcher divides a sample into groups, this division does not change sample size.
• See Chapter 1 of Statistical Reasoning for Everyday Life for additional information on sampling.
  
   

 

1. Indicate the sample size (n = ), and describe what consequence this sample size will have on your analyses and on your reporting of results.
2. Choose a statistical procedure and explain how the statistical procedure you choose will help to answer your research question. [For this question, refer to the Choose Your Test Document]

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