With this sampling method, everyone or everything has an equal chance of being chosen
Random
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With this sampling method, groups or categories are proportionate to that of the population
Stratified
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With this sampling method, the sample is taken at regular intervals from the population
Systematic
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With this sampling method, the population is split into groups or categories and a random sample is taken from one or two of these groups
Cluster
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With this sampling method, the sample is taken in a way that is most convenient to the person collecting the data
Convenience
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With this sampling method, the initial sample is small but through referrals after each sample is taken, the sample size increases exponentially
Snowball
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This is the effect of factors other than those controlled by the experimenter
Experimental Error
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The purpose of this is to eliminate bias
Randomization
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This group does not receive a treatment and is used to compare results with
Control
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This is the name given to the treatment which is sometimes used when no treatment is required. It is disguised as a treatment to ensure results are physical and not psychologically expected
Placebo
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This design refers to when the same participant takes part in every condition of the independent variable
Repeated Measures
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This design is a special case of the randomized block design and refers to when the experiment has only two treatment conditions; and participants can be grouped into pairs
Matched Pairs
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This type of trial is when the participant does not know if they are in the experimental group or not but the person administering the treatment does
Blind
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This type of trial is when neither the participant nor the person administering the treatment knows if they are in the experimental group or not
Double Blind
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Other cards in this set
Card 2
Front
With this sampling method, groups or categories are proportionate to that of the population
Back
Stratified
Card 3
Front
With this sampling method, the sample is taken at regular intervals from the population
Back
Card 4
Front
With this sampling method, the population is split into groups or categories and a random sample is taken from one or two of these groups
Back
Card 5
Front
With this sampling method, the sample is taken in a way that is most convenient to the person collecting the data
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