part 1) Read the excerpts (listed above) from The Process of Social Research, by Dixon (the section titled as “Principles of Probability Sampling” [p. 140 – p. 148] can be skipped). Read also the textbook (the section titled as “Sampling” p. 118 – p. 125 ), and answer the following questions.
w8r1
What is the difference between probability sampling and nonprobability sampling?w8r2
What is the purpose of probability sampling?w8r3
What is a sample?w8r4
What are the two major advantages of probability sampling?w8r5
What is a (target) population? (To answer this question, you can include or exclude the word “target”.)w8r6
What is a sampling frame?w8r7
What is a coverage error? What kind of problem does it cause in sampling?w8r8
What is simple random sampling?w8r9
How does stratified random sampling differ from simple random sampling?w8r10
How does cluster sampling differ from simple random sampling?
Part 2)Read the article and answer the questions listed at the bottom of this page:( the pictures uploaded)
w8r21
What was the research question examined by the Iowa study?w8r22
What was the independent variable in the study?w8r23
List (or describe) the attributes associated with the independent variable.w8r24
What was the dependent variable in the study?w8r25
List (or describe) the attributes associated with the dependent variable.w8r26
How many cases did they study?w8r27
What was the unit of analysis?w8r28
List one extraneous variable.w8r29
What answer to the research question did the study find?