PSY1011 Lecture Notes - Lecture 5: Concurrent Validity, Barnum Effect, Content Validity

• School: Monash University
• Department: Health Sciences - Psychology
• Course: PSY1011
• Professor: All

Document Summary

O(cid:373)e of ea(cid:396)liest theo(cid:396)ies assu(cid:373)ed that pe(cid:396)so(cid:374)alit(cid:455) (cid:449)as e(cid:454)p(cid:396)essed i(cid:374) people(cid:859)s ph(cid:455)si(cid:272)al appea(cid:396)a(cid:374)(cid:272)e which lead to misguided efforts to examine physical characteristics such as the patterns of bumps on the head (i. e. phrenology). Similarly, psychologist william sheldon believed that an individual"s personality can be determined by their body shape and size (somatology ). Sheldon (1940) argued that people with more body fat a(cid:374)d a (cid:396)ou(cid:374)de(cid:396) ph(cid:455)si(cid:395)ue (cid:894)(cid:862)e(cid:374)do(cid:373)o(cid:396)phs(cid:863)(cid:895) (cid:449)e(cid:396)e (cid:373)o(cid:396)e likel(cid:455) to (cid:271)e asse(cid:396)ti(cid:448)e a(cid:374)d (cid:271)old, (cid:449)he(cid:396)eas thinner people (cid:894)(cid:862)e(cid:272)to(cid:373)o(cid:396)phs(cid:863)(cid:895) (cid:449)e(cid:396)e (cid:373)o(cid:396)e likel(cid:455) to (cid:271)e i(cid:374)t(cid:396)o(cid:448)e(cid:396)ted a(cid:374)d i(cid:374)telle(cid:272)tual. Self-report inventories: they often are called likert scales after their developer, rensis likert (1932) Q-sort:operates on an overall likert scale, but requires the individual to select and arrange the descriptors of their own personality. Limitations of self-report inventories:self-report inventories are typically used because the individual reporting is viewed as the best judge of his or her own thoughts, feelings and actions.