Ko percentaaji e nder yimɓe ɗiɗi, IQ 115, 130 e 145 ena ɗow?

Hesabu ɗee huutora z = (score − 100) / 15 e ko distribution normal standard e cumulative waɗi, ɗum waɗaama e decimal ɗiɗi. Hakkille 100 e SD 15 ko scale ɗe huutortee ko ɓuri heewde. Kono ɗerewol ƴeewtagol gootol tan hollata normuuji, ɗowdi score e firo mum; curve normal hakkille hesabaande wonaa tabbitinol ngam ƴeewtagol kesol. Neisser et al., 1996 Pearson, 2020

Percentaaji wonaa ko neɗɗo jaabaama ko feewi

Percentaaji hollata nokkuure neɗɗo e nder jaaynde yimɓe nde ɗaɓɓitaama. Ɗum hollataa wonde neɗɗo jaabaama no feewi e ɗee pesɗe, walla heɓii no feewi e hakkille fuu. Laawol huutoraade ƴeewtagol ena naamnii wonde yimɓe ɗiɗi ɗe ƴeewtagol ɗaɓɓitii e tabbitinol ngam firo score mo yiɗaa. So ɗum alaa, percentaaji ena waawi heewde no ɗum heɓata goonga mum. International Test Commission, 2001

Hol ko waylata e hitaande?

IQ ena hesbitine e hitaande: hakkille jeyaaɗo ko 100 e nder kala dental hitaande e scale ɗe huutortee ko ɓuri heewde. Sukaaɓe e mawɓe ena mbaawi heɓde score ɗiɗi ɗiɗi caggal hesbitinol hitaande, tawi jaabii ɗe naamne goɗɗe walla heɓii total raw goɗɗum. Hesabu model normal ngal waɗataa ko yimɗi ɗowdi golle ɗe hitaande heɓaani hesbitinol. Neisser et al., 1996 Pearson, 2020

Normuuji ena ɗowta e ƴeewtagol, yimɓe e sahaa. Ƴeewtere Raven hollata waylaade normuuji e ƴeewtagol matrix e nokkuuji e sahaaaji. Score iwɗo e ƴeewtagol gootol foti waɗde no ɗum waɗi e ƴeewtagol kala e jadwal normuuji ko adii ɗiɗi e gootol njuɓɓudi ölçde. Raven, 2000

Ko fii tail ɗowɗo ɓuri naamnude hakkille

Sample normuuji pamari ena jogii humpito seŋtotooɗo seeɗa e score ɗe mbaawi heewde. Ngam ɗum percentaaji tail ɗowɗo moƴƴi ena waawi ɗowtaade e ɗaɓɓitanɗe model kadi, wonaa ko ƴeewtaama tan. Laawol huutoraade ƴeewtagol ena naamnii humpito mo haani ngam firo, tee hiyre score ena ɓuri humpito no feewi ko ɓuri ɗaɓɓitaade no decimal sakkitiingol woni ko goonga timmundi. International Test Commission, 2001 Pearson, 2020

Score e puzzle matrix ena hollita IQ fuu?

Carpenter e jeyɓe mum ƴeewtii laawol miijitagol e matrix Raven. Ɗum waɗi firo teorii e fannu golle mawɗe, wonaa yamiroore waylude total puzzle sosaaɗo e hoore maa e IQ fuu mo waɗaama e normuuji. Golle dow nokkuure miijitagol hakkille kadi ena reentino haa ɗaɓɓitaade wonde kala golle ena ƴeewta fannuuji baawɗe gootɗi. Carpenter et al., 1990 Hampshire et al., 2012

Hol ko waɗata so ƴeewtagol fuɗɗitaama walla salaade?

Meta-analysis hollata heɓde score goɗɗum caggal ƴeewtagol hakkille ndee waɗaama kadi. Ngam ɗum, jaabawol ƴeewtagol nde waɗaama kadi ena waawi hollude anndal golle, e wonɗe waylaaji. Golle dow reliability kadi ena hollita wonde score golle e ceertuɗe hakkille ena sokli ƴeewtaade jokkondiral mum hade ɗe ɗaɓɓitaade ko sifaa neɗɗo. Haa ɗum waɗii, ɗum ɓuri hesɗitinde cifre percentaaji. Scharfen et al., 2018 Hedge et al., 2017

Ngam ƴeewtagol tabbitinaama, huutoro jaabawol mum, normuuji hitaande e interval de confiance. Ngam golle online e ƴeewtagol yeeso tan, reento firo jaabawol e ko tabbitinol mum yamiri. Ɗee misaluuji hesabu hollata scale ɗe huutortee, ɗi yamiraani wi'ude jom gollal ɓuri yimɓe ɗiɗi e hakkille. International Test Commission, 2001 Pearson, 2020

Fannu mo nafata ko ceertinde hakkille no percentaaji hesabatirtee e jogitaade humpito wonde score gootol ena jogii nokkuure e nder curve ngal. Ɗiɗi ɗin fof ena waɗi hade nde neɗɗo mbaawaa waɗde ceertuɗe e yimɓe. Neisser et al., 1996 International Test Commission, 2001