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PSYCH 505 Final Exam Study Guide Questions with Correct Answers Latest Update 2026/2026
NewPSYCH 505 Final Exam Study Guide Questions with Correct Answers Latest Update 2026/2026 
Describe the difference between probability and non-probability sampling. - Answers PROBABILITY: KNOWN chance of being selected NON-PROBABILITY: UNKNOWN chance of being selected 
Sampling unit - Answers -unit of analysis based on research objectives 
-basic unit for sampling 
 
-ex. schools in educational psychology 
Population - Answers entire group under study as specificied in the research objectives 
 
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Exam (elaborations)
Psych 505 Final Exam Study Guide Questions and Correct Answers/ Latest Update / Already Graded
PopularDescribe the difference between probability and non-probability 
sampling. 
 Ans: PROBABILITY: KNOWN chance of being selected NON 
PROBABILITY: UNKNOWN chance of being selected 
 
Sampling unit 
 Ans: -unit of analysis based on research objectives -basic unit for sampling 
 -ex. schools in educational psychology 
 
Population 
 Ans: entire group under study as specificied in the research 
objectives 
 -ex. US Census population -ex. 2022 on-campus MAPP cohort 
 
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