COMPLETE QUESTIONS AND ANSWERS
PASSED A+
◉ representative sample.
Answer: a subset of the population with similar characteristics to
the entire population
◉ sampling frame.
Answer: the list of all people or things that may be included in the
study
◉ sampling method.
Answer: the technique used to select people within the sampling
frame
◉ simple random sampling.
Answer: participants in the study are chosen randomly from the
entire population
◉ voluntary sample.
, Answer: researches invite everyone in the sampling frame to
participate
◉ stratified sample.
Answer: researchers break the population into separate and distinct
categories and SOME people are selected from each category
◉ cluster sample.
Answer: population is broken into categories and ALL people from
some categories are chosen
◉ observational study.
Answer: just observing what happens in a situation
◉ experimental study.
Answer: some treatment is applied and the results are observed
◉ association.
Answer: a pattern or relationship between two variables
◉ causation.
Answer: the relationship of cause and effect