IQ score 115, 130 leh 145-te hi percentile engzat nge ni?

Chhutnaah z = (score − 100) / 15 leh cumulative standard normal distribution hman a ni; decimal hmun hnihah tihkim a ni. Mean 100 leh SD 15 hi scale hman dan tlanglawn a ni. Endikna manual ngei chuan norm, score range leh hrilhfiah dan dik ber chu a sawi; normal curve mathematik-in endikna thar a nemngheh thei lo. Neisser et al., 1996 Pearson, 2020

Percentile chu percent dikna a ni lo

Percentile chuan mi awmna dinhmun chu reference distribution-ah a sawi a. Miin zawhna zinga engzat nge a dik taka chhanna, emaw mihring finna zawng zawng zinga engzat nge a neih tih a sawi lo. Endikna hman dan kaihhruaina chuan reference group dik taka thlan leh score hrilhfiahna tumte thiltih ngei turin finfiahna a phut. Chuho awm lo chuan percentile chu a innghahna aia dik leh chiang zawk anga lang thei a ni. International Test Commission, 2001

Kum a danglamin eng nge thleng?

IQ chu kum ang zelin norm siam a ni: scale hman dan tlanglawnah kum group tin reference mean chu 100 a ni. Naupang leh puitlingin kum ang zela siam score an dawn a inang thei, mahse zawhna dang an chhang emaw, raw score total dang an nei emaw thei. Chuvangin normal-model chhutna hian kum tin thlanga siam lo performance curve a sawifiah lo. Neisser et al., 1996 Pearson, 2020

Norm-te chu endikna, mipui leh hun atangin a danglam thei. Raven thlirnaah chuan hmun leh hun danglam avanga matrix-test norm danglamna a tar lang. Instrument pakhat atanga score chu endikna tin leh hun liam ta norm table zawng zawngin tehna thil inang vek an nei angin ngaih tur a ni lo. Raven, 2000

A hniam bik leh sang bik tawpnaah ngaihtuah fimkhur a ngaih chhan

Norm sample tlemte chuan score hluai bikte chungchangah finfiahna tlem tak an nei. Chuvangin tail percentile ngaihnawm tak chu observation mai bakah model-in a sawi tumah a innghat thei. Endikna hman dan kaihhruaina chuan ngaihtuahna turin finfiahna a phut; score report-a uncertainty chuan decimal hnuhnung ber dik taka ngaih aiin thu pawimawh zawk a pe. International Test Commission, 2001 Pearson, 2020

Matrix puzzle score-in mihring IQ pum pui a hrilhfiah em?

Carpenter leh a thawhpuite chuan Raven matrix-a ngaihtuahna kal dan an zir chiang. Hei hian hna pawimawh tak pakhat chungchang theory a pe a, mahse miin mahni siamah puzzle score zaa khawm apiang norm nei IQ pum pui-ah an thlak thei tihna a ni lo. Cognitive performance awm dan chungchang zirna pawhin hna tin hian thiamna lam thil inang vek pakhat an teh vek tih ngaih dan a fimkhur tir. Carpenter et al., 1990 Hampshire et al., 2012

Thar leh endikna leh tehna dik lohna chungchang eng nge?

Meta-analysis chuan cognitive ability test-tea endikna thar lehnaah score a sang hret hret thin tih a hmuh. Chuvangin test thawn nawnna resultah familar tawhna leh danglamna dangte pawh a tel thei. Reliability zirna chuan task score leh score danglamna chu mi tin mizia anga ngaih hmain a nghet reng tih teh a ngaih thu a sawi bawk. Heng thil pahnihte hi percentile digit tam zawk lantir vanga tihfel theih an ni lo. Scharfen et al., 2018 Hedge et al., 2017

Endikna hman reng tawh atan chuan a report ngei, kum norm leh confidence interval hmang rawh. Online task zawnchhuahna atan chuan a nemnghehna phal zat ang chauh result ngaihtuah rawh. Hemi mathematik entirnate hian scale hman dan tlanglawn chu an hrilhfiah a; mi infiamtu chu mi tam zawk aia fing zawk a ni tih hrilh turin thuneihna an pe lo. International Test Commission, 2001 Pearson, 2020

Percentile chhut dan hriatthiam leh score pakhat chu curve-ah dah theihna finfiahna neih hi thil hrang an ni tih hriat a pawimawh. Mi pakhat chungchang tehna siam hmain pahnih hian a ngai. Neisser et al., 1996 International Test Commission, 2001