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19 Cards in this Set
- Front
- Back
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participants |
people who take part in a psychoogical study |
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target population |
specific group of people whom they are interested in for their study
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representative sample |
a sample taht represents a population |
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opporutnity/ convenience sampling |
sampling of whoever is there and agrees to participate |
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self selected sample |
made up of volunteers
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snowball sampling |
when participants recrut other participants from among family and friends |
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cluster sampling |
randomly selecting one section of a target audience |
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participant variablily |
extent to which participants share common trait that can bias the outcome of the study |
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random sampling |
as one in which every member of target population has an equal chance on being selected |
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stratified samping and quota sampling |
outcome that overcomes bias by drawing random samples from each subpopulation within target population |
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purposive sampling |
when a sample is created bsed on the knowledge of the purpose of study |
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application |
has a theory or empeircal study is used
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validity |
if reseearch does what it claims to do |
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external validity and ecological validity |
study represents what happens in rel life |
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internat validty |
how well an experiment has been conducted based on whether or not theire is only one indepenedent variable |
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cross culture validity |
is the research relevant to ther cultures or just on |
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reliable |
results of study can be replicated |
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inter-rater reliabilityi |
degree of agreement among raters, people might disagree about wether the beahviour they have observed constituites on occurence of beahviour |
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replicability |
wheter or not a study could yield the same results if replicated |
