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14 Cards in this Set

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  • Back
Power
the probability of retaining significant results 1-B=power
THE ASSUMPTIONS OF POWER
AS SAMPLE SIZE INCREASES POWER INCREASES
THE SMALLER ALPHA IS THE LOWER THE POWER
AS POWER INCREASES GAMMA INCREASES
WHAT IS GAMMA
THE DEGREE TO WHICH THE NULL HYPOTHESIS IS FALSE
hOW LARGE OF AN EFFECT THE IV HAD ON THE POPULATION
WHAT IS ALPHA
USUALLY SET AT .O5 IS THE PROBABILITY OF MAKING A TYPE 1 ERROR WHICH WOULD BE REJECTING THE NULL WHEN IT IS TRUE
PROBLEMS ASSOC W/A LINEAR RELATIONSHIP
CURVINLINEAR RELATIONSHIP
NON-MONOTONIC RELATIONSHIP
RESTRICTED RANGE
OUTLIERS
ASSUMPTIONS OF AN INDEPENDENT T TEST
RANDOM ASSIGNMENT AND SELECTION
SAMPLE SIZE IS RELATIVELY THE SAME
CONTROL GROUP AND EXPERIMENTAL GROUP
HOMOGENEITY OF VARIANCE
SCORES
HOMOGENEITY OF VARIANCE
THE LARGEST VARIANCE CANT BE MORE THAN DOUBLE THE SMALLEST VARIANCE, NEEDS TO BE PRESENT IN ORDER TO CONDUCT A T-TEST
DEPENDENT GROUPS T-TEST
SHOWS THE EFFECT OF THE IV WHEN THE STD DEV IS NOT KNOWN, USED WITH MATCHED GROUPS OR REPEATED MEASURES DESIGN
EPILSON
USED IN ANOVA IS THE SAME AS R SQUARED FOR CORRELATION IN THE FACT THAT IT STATES THE STRENGTH OF THE RELATIONSHIP BTWN THE IV AND DV
DICHOTOMOUS VARIABLE
VARIABLE WITH ONLY 2 CATEGORIES, ie YES OR NO or MALE OR FEMALE
DEGREES OF FREEDOM
THE # OF QUANITIES THAT CAN VARY WHEN ESTIMATING THE VALUE OF A PARAMETER FROM A STATISTIC
BETWEEN GROUP VARIANCE
IN THE ANALYSIS OF VARIANCE IT IS THE DIFFERENCES IN MEANS BETWEEN THE DIFFERENT GROUPS BEING STUDIED
PREDICTOR VARIABLE
LINEAR REGRESSION THE VARIABLE THAT FROM WHICH THE CRITERION SCORES ARE ESTIMATED- THE X AND INDEPENTDENT VARIABLE
CRITERION VARIABLE
THE DEPENDENT/Y VARIABLE
THE VARIABLE THAT IS MANIPULATED BY THE PREDICTOR VARIABLE