external validity and sampling Flashcards
random sampling strength:likely to be representavive
E:the researcher removes their own influence from who is sampled. this limits potential bias and helps collect a representative sample.
random sampling limitation:cost in time and money
E:making the list of the target population takes time and makes the research more expensive
systematic sampling strength:it is representative
E: the process of systematic sampling helps ensure the researcher has limited influence on who is In the sample.this reduces the likelihood of bias.
systematic sampling limitation:it is time consuming and expensive
E:the process of creating the samples much more time consuming than other sampling methods. this increases the time and can be financially costly.
stratified sampling strength:representative sample
E:stratified sampling helps ensure that the sample is proportionally similar to the target population (e.g., age or gender). This means it produces a representative sample of the target population.