Social Psychology, Sampling 0.0 / 5 ? PsychologySamplingA2/A-levelEdexcel Created by: ellie.chapmanCreated on: 09-11-17 17:29 What is random sampling? Where everyone in the target population is available for selection and are chosen randomly. 1 of 15 What are the advantages of random sampling? There is no bias and its clear how participants are chosen. 2 of 15 What are the weaknesses of random sampling? It's difficult to ensure everyone in the target population is represented and there can still be some bias. 3 of 15 What is stratified sampling? Where the number of representatives from each group should be a smaller scale of how they are in the target population. 4 of 15 What are the advantages of stratified sampling? All groups are represented and so it is a fair method. 5 of 15 What are the disadvantages of stratified sampling? It is difficult to represent each group to get accurate generalisability and having rules set out by the study rules out individual factors. 6 of 15 What is opportunity sampling? Where researchers take whoever is available, there's no structure to their sample. 7 of 15 What are the advantages of opportunity sampling? It can be more ethical as screening can be done and its quicker. 8 of 15 What are the disadvantages of opportunity sampling? There's more chance of bias as researchers choose the sample and it rules out those who are not available or not willing. 9 of 15 What is volunteer sampling? Where participants select themselves in response to advertisements. 10 of 15 What are the advantages of volunteer sampling? More ethical as participants know they're in a study and they're interested so less likely to be biased. 11 of 15 What is meant by the target population? The wider group of people that the findings should apply to. 12 of 15 What is meant by a biased sample? A sample that isn't representative of the target population. 13 of 15 What is meant by a representative sample? A cross-section that is typical of the target population. 14 of 15 What is meant by a sampling frame? A section of the target population from which the sample is drawn. 15 of 15
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