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18 Cards in this Set
- Front
- Back
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PILOT STUDIES
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STUDIES DESIGNED TO OBTAIN PRELIMINARY INFORMATIONON HOW NEW PROCEDURES WORK
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THREAT TO INTERNAL VALIDITY:
HISTORY |
A MJR EVENT THAT CAN CHANGE SAMPLE, BEING THE EVENT IS ANOTHER FACTOR IE: KATRINA
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THREAT TO INTERNAL VALIDITY
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FACTORS THAT EFFECT THE RESULTS MANIPULATED
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THREAT TO INTERNAL VALIDITY:
MATURATION |
PEOPLE CHANGING OVER TIME. PERSONAL TRANSFORMATIONS
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THREAT TO INTERNAL VALIDITY:
INSTRUMENTATION |
OLD INSTRUMENTS WHICH EFFECT RESEARCH
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THREAT TO INTERNAL VALIDITY:
TESTING |
TAKING A TEST PRIOR LEADING TO FAULTY RESULTS
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THREAT TO INTERNAL VALIDITY:
STATISTICAL REGRESSION |
AN EXTREMLY GOOD SCORE, OR EXTREMLY LOW SCORE. NO NORMALITY
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THREAT TO INTERNAL VALIDITY:
SELECTION |
ONLY GETTING AND KEEPING A CERTAIN KIND OF PERSON
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THREAT TO INTERNAL VALIDITY:
MORTALITY |
PEOPLE DROPPING OUT OF YOUR STUDY
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THREAT TO EXTERNAL VALIDITY:
SELECTION BIAS |
LIMITED POPULATION, PRODUCING BIASED SAMPLES
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THREAT TO EXTERNAL VALIDITY:
REACTIVE EFFECTS OF ARRANGEMENT |
WHERE ARE YOU GATHERING THE INFORMATION? ROOM TEMPERATURE
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THREAT TO EXTERNAL VALIDITY:
REACTIVE EFFECTS OF TESTING |
IS THERE PRESSURE ATTACHED?
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THREAT TO EXTERNAL VALIDITY:
MULTIPLE THREAT INTERFERENCE |
THE CAUSE OR EFFECT OF DRUG A/B OR COMBINATION OF ONE THAT LEADS TO ANOTHER
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PRETEST POST TEST
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ONLY ONE GROUP PROMOTES AN OVERALL DESIGN
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WHY WE DO EXPERIMENTS
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TO SHOW THE IV IS EFFECTING THE DV
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CLUSTER
SAMPLING |
THE POPULTAION FALL INTO CLUSTERS OF PEOPLE, THEN THE SAMPLING PROCESS RANDOMLY SELECTS WHOLE CLUSTERS FROM THE FULL POPULATION
IE: XU PSYCH STUDENTS, COMPARED TO HOWARD, SPELLMAN ETC. |
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VOLUNTEERISM
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JUST ASKING PEOPLE, PUTTING FLYERS UP. DRAWS THE SAME KIND OF PEOPLE
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CONVIENCE SAMPLE
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LITTERALLY TAKING WHAT IS CONVIENT TO YOU
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