Week 8 Lecture Notes
Week 8 Lecture Notes SOCIOL 2950 - 01
Popular in Social Research 1
Popular in Sociology
SOCIOL 3100 - 01
verified elite notetaker
This 2 page Class Notes was uploaded by Jessica Twehous on Friday October 16, 2015. The Class Notes belongs to SOCIOL 2950 - 01 at University of Missouri - Columbia taught by Joan Hermsen in Summer 2015. Since its upload, it has received 7 views. For similar materials see Social Research 1 in Sociology at University of Missouri - Columbia.
Reviews for Week 8 Lecture Notes
Report this Material
What is Karma?
Karma is the currency of StudySoup.
Date Created: 10/16/15
Representative Sample Representative the elements of the sample quotlook likequot the population from which the sample is drawn on key characteristics that are thought to be particularly relevant to the study Example study of mothers39 hours of weekly housework Population of mothers 60 married 20 cohab 20 single Representative sample marital distribution of mothers in your sample is similar to population distribution of mothers Unrepresentative sample gross discrepancies in marital distribution 80married 10single Weicihtino Data for Representativeness Sampling weights adjust the sample to match the population from which it is drawn Each case is adjusted in statistical analyses so that it counts as either more than equal to or less than one case Population Sample Weight pop samp Married 60 80 075 Cohabitating 20 10 2 Single 20 10 2 Probabilitv SamplinCl With probability sampling one knows in advance the likelihood an element in the population will be selected for the sample Example sample of MU students for Sexual Assault Survey the probability of selection was 100 All students were sampled so the probability of selection was 3027030270 1 Example sample 100 firms from the Fortune 500 list the probability of selection is 20 10050020 Types of Probability Sampling Stratified random sampling sample elements are selected within population groups that researcher identified beforehand Example How satisfied were those who attended an MU football game with their experience at the game What is the population group Are there subgroups we need to stratify our sample by Simple random sample roll of dice or flip a coin to see if an element is on or out of sample or use a random number table or random digit dialing if phone sample Systematic random sampling after randomly selecting the first element after that every nth element on the sampling list is selected eg every 5th person to walk out of Walmart Clustered random sampling elements are selected in two or more stages with the first stage being the random selection of the clusters and the last stage being the random selection of elements within the clusters Example Missouri Department of Conservation Public Opinion Survey first stage region second stage household