Exam 2 Review.ppt

# Exam 2 Review.ppt - Exam 2 Review Chapter 6 Determine when...

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Exam 2 Review

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Chapter 6 Determine when and why surveys are used in behavioral research. Understand the advantages and disadvantages of using interviews versus questionnaires in survey research. Understand how probability sampling is used to ensure that a sample is representative of the population. Define sampling bias and understand how it undermines a researcher’s ability to draw conclusions about surveys. Determine what statistical procedures are used to report and display data from surveys. Define the confidence interval/the margin of error of the sample.
Examples The entire group of people the researcher is interested in learning about is known as the______,whereas the group of people that actually participate in the research is known as the_________ a. population; sample b. sample; population c. sampling frame; population d. population; sampling frame Which of the following is NOT a measure of dispersion? a. the medium b. the range c. the standard deviation d. the variance A town in West Virginia needs to choose a jury for a trial. They create slips of paper with the names of each of the adults in the county and place the slips in a large box. They then draw twelve names from the box. What sampling method has been used? a. stratified sampling b. simple random sampling c. convenience sampling d. cluster sampling Which of the following is not true about descriptive research? a. It provides a snapshot of the current state of affairs. b. It measures relationships between variables. c. It can be conducted using a survey. d. It may use probability sampling.

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Chapter 7 Define naturalistic research and understand why it is important. Determine ecological validity and understand why naturalistic designs have it. Understand the advantages and disadvantages of being
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## This note was uploaded on 02/26/2011 for the course PSYC 420 taught by Professor Staff during the Fall '08 term at Maryland.

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Exam 2 Review.ppt - Exam 2 Review Chapter 6 Determine when...

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