Sampling and samples 3.0 / 5 based on 1 rating ? PsychologyResearch methods and ethicsGCSEAQA Created by: Sophie WadeCreated on: 05-12-12 20:20 With random sampling the whole target population has an equal chance of being chosen True 1 of 15 Random sampling is open to researcher bias. True or False? false 2 of 15 Name 2 ways of doing random sampling? 1) computer generated 2) random number table 3) names from a hat 3 of 15 Stratified sampling groups the target population into sub groups based on key characteristics. Then what? The sample is selected randomly in proportion to the numbers in each sub group. 4 of 15 Is stratified sampling more representative of target population? Yes because smaller groups are taken into consideration 5 of 15 What is a disadvantage of stratified sampling? It is time consuming. 6 of 15 How is systematic sampling done? the researcher selects every Nth member in the target population to take part in the study. 7 of 15 why is systematic sampling good? Because its straightforward and simple, and minimizes researcher bias 8 of 15 Everyone has an equal chance of being selected to take part. True or False? False 9 of 15 Describe what opportunity sampling is? Using anyone who is willing/ available at the time to take part in the study 10 of 15 Opportunity sampling is quick. True or False True 11 of 15 Name 2 disadvantages of opportunity sampling 1) too open to researcher bias 2) not representative of target population 12 of 15 What is self selecting samples? where participants volunteer themselves to take part in your study 13 of 15 People are not motivated in self selecting samples. True or false? false 14 of 15 self selecting sampling is not representative of the population as a whole. True or False? True 15 of 15
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