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PSYB30H3 (526)
Lecture 9

PSYB30_Lecture 9.docx

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Marc A Fournier

Lecture 9trait concept is the cornerstone of a comprehensive personality theorytrait conceptfirst introduced by Gordon Allport natural language for inspiration to find words to describe trait attributesLexical Hypothesis Raymond factor analysisstatistical procedureto reduce the large amount of terms that Allport provided to a smallermanageable number and then to provide a useful taxonomy of trait attributes Cattell detected 12 traits and thought 4 more existed that he COULDNT detect 16 traitsthis was NOT an accurate depiction of datadata show FIVE characteristicsin English and other languages5 dimensions of difference The Five Factor Model or The Big Five Walter Mischels monograph1968assessment threw this field into turmoilraised the question of whether traits exist or not ppl rnt exactly the same from one situation to nextppl leave signatures behind on their variability But there are consistenciesregularities that we bring w us from one situation to next in spite of the variability we show1980sreturn to the study of personality traitsdue to questionnairesrobustreliablevalidassessed broad 5 factor traits NEOPIRinstrument developed in late 1970s and 80sits called NEO bc CostaMcCrae first identified 3 traits Neuroticism Extraversion and Openness to Experiencelater on it was extended to include the other factors Now its called Revised NEO Personality Inventory 240 items that assesses the big five domains and six facetssmaller traits win the big fiveso 30 traits in totaltakes half an hour to 45min to completeso we dont ask too many ppl to fill it out They developed a shorter versioncalled NEOFFI 5 factor inventory60 items longbrieftakes 15 min to completebut its CHARGED for when administered BFI By Oliver John and BerkeleyBig Five Inventoryalternative to NEO PI RBFI has 44 itemsadministered quickly10 minthese scores are reliablevalidwidely used you can measure the big 5 w as few as 10 items2 per trait2 or 3 minuteswe can still obtain reasonably reliable measures about the big 5how readily traits can be assessed all of the instruments use the SAME 5 constructs Depending on frameworkpreferencesordering of traits will differ Neuroticism broad dimension of individual differences relating to the readiness to experience distress and other negative aspects if High on neuroticismhigh emotionalsomatic body complaintsworrisomeanxiousvulnerableselfconsciousquick to angerhow well were able to
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