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20 Cards in this Set
- Front
- Back
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ANALYSIS OF VARIANCE (ANOVA)
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A STATISTICAL TECHNIQUE FOR TESTING FOR DIFFERENCES IN THE MEANS OF SEVERAL GROUPS
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ONE WAY ANOVA
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AN ANALYSIS OF VARIANCE WHEREIN THE GROUPS ARE DEFINED ON ONLY ONE INDEPENDENT VARIABLE
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MS within (MS error)
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VARIABILITY AMONG SUBJECTS IN THE SAME TREATMENT GROUP
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MS between groups (MS groups)
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VARIABILITY AMONG GROUP MEANS
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SUM OF SQUARES
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THE SUM OF THE SQUARED DEVIATIONS AROUND SOME POINT (USUALLY A MEAN OR PREDICTED VALUE)
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SS total
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THE SUM OF SQUARED DEVIATIONS OF ALL OF THE SCORES, REGARDLESS OF GROUP MEMBERSHIP
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SS groups
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THE SUM OF SQUARED DEVIATIONS OF THE GROUP MEANS FROM THE GRAND MEAN, MULTIPLIED BY NUMBERED OF OBSERVATIONS
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SS errors
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THE SUM OF SQUARED RESIDUALS OR THE SUM OF THE SQUARED DEVIATIONS WITHIN EACH GROUP
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DF total
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DEGREES OF FREEDOM ASSOCIATED WITH SStotal EQUAL TO N-1
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DF group
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DEGREES OF FREEDOM ASSOCIATED WITH SSgroup EQUAL TO K-1
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DF error
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DEGREES OF FREEDOM ASSOCIATED WITH SSerror EQUAL TO K(N-1)
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F STATISTIC
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THE RATIO OF MSgroup to MSerror
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MULTIPLE COMPARISON TECHNIQUES
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TECHNIQUES FOR MAKING COMPARISONS BETWEEN TWO OR MORE GROUP MEANS SUBSEQUENT TO ANALYSIS OF VARIANCE
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PROTECTED T (LEAST SIGNIFICANT DIFFERENCE TEST)
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A TECHNIQUE IN WHICH WE RUN T TESTS BETWEEN PAIRS OF MEANS ONLY IF THE ANALYSIS OF VARIANCE WAS SIGNIFICANT
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FAMILY WISE ERROR RATE
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THE PROBABILITY THAT A FAMILY OF COMPARISONS CONTAINS AT LEAST ONE TYPE I ERROR
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BONFERRONI PROCEDURE
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A MULTIPLE COMPARISONS PROCEDURE IN WHICH THE FAMILYWISE ERROR RATE IS DIVIDED BY THE NUMBER OF COMPARISONS
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TUKEY PROCEDURE
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A MULTIPLE COMPARISONS PROCEDURE DESIGNED TO HOLD THE FAMILYWISE ERROR RATE AT ALPHA FOR A SET OF COMPARISONS
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MAGNITUDE EFFECT
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A MEASURE OF THE DEGREE TO WHICH VARIABILITY AMONG OBSERVATIONS CAN BE ATTRIBUTED TO TREATMENTS
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N2 (ETA SQUARED)
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A MEASURE OF THE MAGNIFIED OF EFFECT
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W2 (OMEGA SQUARED)
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A LESS BIASED MEASURE OF THE MAGNITUDE OF EFFECT
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