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Attritionisunlikelytobiastheresultsofastudy,becausethesubjectswhostopparticipatinginresearchtendtobequitesimilartothosewhocontinuetoparticipate. TrueorFalse? Acorrelationbetweenthereliabilitycoefficientandthevaliditycoefficientofavariableisusuallynegativeorinverse.TrueorFalse? Reliabilitycoefficientsareanespeciallyeffectivetoolformeasuringvariousformsofbias.TrueorFalse? Noviceresearcherswhousewell-establishedmeasurementscales,withpublishedreliabilitystatistics,neednotcomputereliabilitycoefficientsfortheirsample. TrueorFalse? Historyeffectsrefertotraditionandotherlastinginfluencesofpastpracticesthatcanmakeitdifficultforaninterventiontohaveanimpact. TrueorFalse? Inanygivenstudy,multiplethreatstovalidityaretherulenottheexception. TrueorFalse?
- Attritionisunlikelytobiastheresultsofastudy,becausethesubjectswhostopparticipatinginresearchtendtobequitesimilartothosewhocontinuetoparticipate. TrueorFalse?
- Acorrelationbetweenthereliabilitycoefficientandthevaliditycoefficientofavariableisusuallynegativeorinverse.TrueorFalse?
- Reliabilitycoefficientsareanespeciallyeffectivetoolformeasuringvariousformsofbias.TrueorFalse?
- Noviceresearcherswhousewell-establishedmeasurementscales,withpublishedreliabilitystatistics,neednotcomputereliabilitycoefficientsfortheirsample. TrueorFalse?
- Historyeffectsrefertotraditionandotherlastinginfluencesofpastpracticesthatcanmakeitdifficultforaninterventiontohaveanimpact. TrueorFalse?
- Inanygivenstudy,multiplethreatstovalidityaretherulenottheexception. TrueorFalse?
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