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Card 6

Front

Natural Experiment

Back

Preview of the front of card 6

Card 7

Front

Target Population

Back

Preview of the front of card 7

Card 8

Front

Random Sampling

Back

Preview of the front of card 8

Card 9

Front

Opportunity Sampling

Back

Preview of the front of card 9

Card 10

Front

Volunteer Sampling

Back

Preview of the front of card 10

Card 11

Front

Investigator Effects

Back

Preview of the front of card 11

Card 12

Front

Demand Characteristics

Back

Preview of the front of card 12

Card 13

Front

External Validity

Back

Preview of the front of card 13

Card 14

Front

Internal Validity

Back

Preview of the front of card 14

Card 15

Front

Population Validity

Back

Preview of the front of card 15
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