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5 Cards in this Set
- Front
- Back
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COMPLETELY RANDOMIZED DESIGN
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ALL EXPERIMENTAL UNITS HAVE AN EQUAL CHANCE OF RECIEVING ANY TREATMENT
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BLOCK DESIGN
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RANDOMIZATION OCCURS ONLY WITH IN BLOCKS; ALLOWS TO DRAW SEPARETE CONCLUSOINS ABOUT EACH BLOCK AND HAVE MORE PRECISE OVERALL CONCLUSIONS
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BLOCKS
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GROUPS OF UNITS THAT ARE SIMLIAR IN WAYS THAT IS EXPECTED TO AFFECT THE RESPONSE TO THE TREATMENT
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MATCHED PAIRS DESIGN
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EACH BLOCK MAY CONSISTS OF SUBJECTS WHO GET BOTH TREATMENTS; EACH SUBJECT SERVES AS OWN CONTROL GROUP; ORDER OF TREATMENTS IS RANDOMIZED
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STATISTICALLY SIGNIFCANT
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AN OBSERVED DIFFERENCE IS TOO LARGE FOR US TO BELIEVE THAT IT OCCURRED NATURALLY
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