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36 Cards in this Set
- Front
- Back
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VALID/ VALIDITY
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WELL GROUNDED. MEASURES WHAT IT SHOULD
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RELIABILITY
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RESULTS ARE
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CONVERGENT VALIDITY
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ALL MEASURES THAT SHOULD AGREE, DO.
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DISCRIMINANT VALIDITY
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THINGS THAT IT SHOULD AGREE WITH, THERE SHOULD BE NO CORRELATION WITH.
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INTERNAL VALIDITY
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ABILITY TO MAKE CASUAL STATEMENTS: IV GOES TO DV.
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COVARIANCE
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THE CAUSE AND THE EFFECT ARE RELATED.
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TEMPORAL PRECEDENCE:
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THE CAUSE PRECEDES THE EFFECT IN TIME.
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RANDOM ASSIGNMENT:
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THERE ARE NO PLAUSIBLE ALTERNATIVE EXPLANATIONS FOR THE OBSERVED COVARIATION.
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DESCRIPTIVE STATISTICS
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REFER ONLY TO SAMPLES YOU STUDIED
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INFERENTIAL STATISTICS
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USED TO GENERALIZE TO THE POPULATION OF INTEREST.
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EXTERNAL VALIDITY
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THE ABILITY TO GENERALIZE RESULTS TO THE TARGET POPULATION
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NOMINAL
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SET OF CATEGORIES THAT HAVE DIFFERENT NAMES (NOT USUALLY NUMBERS) (GENDER, RACE, MAJORS) NOT BETTER THEN EACHOTHER.
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ORDINAL
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RANKED ON CONTINUUM. ORDERED SEQUENCE. RANKED IN TERMS OF SIZE OR MAGNITUDE. (1ST 2ND 3RD BUT NOT EXACT INTERVALS)
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INTERVAL
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ORDERED (SCALE HAS EQUAL DISTANCES) CATEGORIES OF EQUAL DISTANCES BETWEEN EACH (DETAILS INCLUDED)
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RATIO
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INTERVAL SCALE WITH THE ADDITIONAL OF A TRUE ZERO. (HEIGHT, WEIGHT) (ZERO POINT ON SCALE)
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FREQUENCEY DISTRIBUTION
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A FREQUENCY DISTRIBUTION IS AN ORGANIZED TABULATION OF THE NUMB ER OF INDIVIDUALS OR SCORES IN EACH CATEGORY OF MEASUREMENT.
AND TAKES A DISORGANIZED SET OF SCORES AND PUTS THEM IN ORDER FROM HIGHEST TO LOWEST, GROUPING TOGETHER THOSE WITH THE SAME SCORES. |
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THREE CHARACTERISTICS OF DISTRIBUTIONS IN GRAPHS
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TYPICAL SCORES, DISPERSION OF SCORES, SHAPE
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RATIO
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ABSOLUTE ZERO
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INTERVAL
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DISTANCE IS MEANINGFUL
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ORDINAL
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ATTRIBUTES CAN BE ORDERED
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NOMINAL
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ATTRIBUTES ARE ONLY NAMED; WEAKEST
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TEMPERATURE IS AN ______SCALE
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INTERVAL
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BOX AND WHISKERS GRAPHS SPLITS THE DATA INTO...
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QUARTILES
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QUARTILES CUT DATA INTO ____ EQUAL PARTS...
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4
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IQ RANGE IN BOX AND WHISKERS IS THE
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DIFFERENCE BETWEEN THE LARGEST ANS SMALLEST VALUES IN TEH MIDDLE 50% OF THE DATASET.
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SYMMETRICAL
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POSSIBILE TO DRAW A LINE THROUGH THE MIDDLE, AND THE TWO SIDES ARE A MIRROR IMAGE OF EACH OTHER.
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SKEWED
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THE SCORES PILE UP AT ONE END AND TAPER AT THE OTHER.
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POSISIVELY SKEWED DISTRIBUTION
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LUMP AT THE LEFT
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NEGATIVELY SKEWED DISTRIBUTION
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LUMP AT THE RIGHT
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IN A SKEWED DISTRIBUTION, THE MEAN, MEDIAN AND MODE ARE IN......
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DIFFERENT PLACES
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PERCENTILE RANK
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THE PERCENTAGE OF INDIVIUDALS IN THE DISTRIBUTION WITH SCORES AT OR BELOW THE PARTICLUAR VALUE.
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PERCENTILE RANK REFERS TO A _______________
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PERCENTAGE
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PERCENTILE REFERS TO A
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SCORE.
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IN A FREQUENCY DISTRIBUTION TABLE FOR PERCENTILE RANKS... F IS....
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THE FREQUENCY IN WHICH THE SCORE APPEARED
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IN A FREQUENCY DISTRIBUTION TABLE FOR PERCENTILE RANKS CF IS...
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CUMLATIVE FREQUENCY
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IN THE ORDER OF OPERATIONS, SIGMA COMES AFTER...
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DIVISION
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