EARLY CHILDHOOD Screes III Research Base Stadardizatio Reliability Validity brigace.com For more iformatio, see the Techical Maual, Chaters 7 10.
Stadardizatio Outer Pie Chart: U.S. oulatio The samle of childre is atioally reresetative i terms of geograhic, demograhic, ad socioecoomic characteristics. Regioal Reresetatio Ier Pie Chart: Screes III Samle Geder Ethicity/Race Am. Idia/ Alaska Native Asia South Midwest Male rtheast Female Africa Am./Black White West Two or more Other Hawaiia/ Pacific Islader Hisaic/ti/Saish Origi Free/Reduced Luch ad/or Medicaid Secial Services Dark gree:
Reliability Dark gree: Light gree: Accetable The scores of the childre assessed were cosistet whe examied reeatedly. Differeces i scores were attributable to real differeces i abilities, as oosed to chace error. Iteral Cosistecy Iter-Rater Reliability Items asurig the sa cocet were correlated with oe aother. 0.90 0.80 0.70 0.60 Ifat Toddler Two- Three- Four- Five- First Year-Old Year-Old Year-Old Year-Old Grade Total Scores ad Domai Scores were stable whe tested at multile oits i ti. 1.00 40 35 0.90 Test 2 Score Itraclass Correlatio Coefficiet (for subdomais where observatios were required) Iteral Cosistecy Reliability Estimates for the Total Score 1.00 0.00 Test-Retest Reliability Observatios/ratigs of erformace were cosistet across multile examiers. 0.80 0.70 0.60 30 25 20 15 0.00 Ifat Toddler Two-Year-Old First Grade 10 10 15 20 25 30 35 40 Test 1 Score Validity The decisios based o test scores ad the ifereces o which the decisios are based are justified by suortig evidece. Costruct Validity Iteral Structure The domai score structure of the Screes III is suorted by cofirmatory factor aalysis for all domais ad e ls. Recetive s i cal s i cal TWO-YEAR-OLD through FIRST GRADE t Recetive om m et om INFANT & TODDLER Costruct Validity Fairess Childre of similar ability have the sa chace of receivig credit regardless of their demograhic. 684 ITEMS WERE EXAMINED FOR BIAS A SEPARATE FAIRNESS & BIAS REVIEW WAS ALSO CONDUCTED BY A REVIEW PANEL
Test 1 Score Validity The decisios based o test scores ad the ifereces o which the decisios are based are justified by suortig evidece. Costruct Validity Iteral Structure The domai score structure of the Screes III is suorted by cofirmatory factor aalysis for all domais ad e ls. Exressive Fie Motor ca t i v e B e h av i o de A Self-hel Social-Emotioal Ada r m ic Recetive Exressive Literacy Mathematics e m elo S k il l s / C o g it i ve D ev t Fie Motor Recetive t Physical TWO-YEAR-OLD through FIRST GRADE ot Physical t ot INFANT & TODDLER Cotet Validity Dotal researchers ad educators cofirm the items test the imortat dotal ad early academic skills. WERE EXAMINED FOR BIAS REVIEW PANEL (DIF( IN THE CATEGORIES OF GENDER & RACE USING DIFFERENTIAL ITEM FUNCTIONING ANALYSIS TOGETHER THEY CONCLUDED: 0 ITEMS WERE BIASED BASED ON A CHI-SQUARE DIFFERENCE TEST Criterio-Related Validity BRIGANCE screeig results correlate with other early dot, achievet, itelligece, ad lae tests. BDI-2 Battelle Dotal Ivetory, Secod Editio Mulle 1 2 3 RS Accuracy Sesitivity 684 ITEMS A SEPARATE FAIRNESS & BIAS REVIEW WAS ALSO CONDUCTED BY A WPPSI -III TORS/CURR EDUCA ENT U NT LITERATURE RRE CU ENT EXPERT CONT S Cofird sequecig of items Childre of similar ability have the sa chace of receivig credit regardless of their demograhic. Idetified eed for ew cotet SE Cofird items are key redictors of child dot ad school success Costruct Validity Fairess Wechsler Preschool ad Primary Scale of Itelligece III Mulle Scales of Early Learig BRIGANCE Screes III WISC -IV Wechsler Itelligece Scale for Childre Fourth Editio WJ-III Idetified items i eed of revisio The Screes III correctly idetify the childre with true dotal delays or disabilities, reducig uderreferrals. Bayley-III Bayley Scales of Ifat ad Toddler Dot-3rd editio Vielad -II Woodcock-Johso III Accuracy Secificity Vielad Adative Behavior Scales, Secod Editio The Screes III correctly idetify the childre without true dotal delays or disabilities, reducig overreferrals.
Cofird sequecig of items Woodcock-Johso III Idetified items i eed of revisio Accuracy Sesitivity Accuracy Secificity The Screes III correctly idetify the childre with true dotal delays or disabilities, reducig uderreferrals. Sesitivity Accetable Sesitivity 90 Sesitivity data o detectig childre with advaced dot/ academic giftedess is also available. 80 70 60 0 Ifat Toddler TwoYear-Old ThreeYear-Old FourYear-Old Five- First Grade Year-Old The Screes III correctly idetify the childre without true dotal delays or disabilities, reducig overreferrals. 100 Secificity Detectig Childre with Delays (%) Sesitivity i Detectig Childre with Delays (%) 100 Vielad Adative Behavior Scales, Secod Editio Secificity Accetable Secificity 90 Secificity data o detectig childre with advaced dot/ academic giftedess is also available. 80 70 60 0 Ifat Toddler TwoYear-Old ThreeYear-Old FourYear-Old Five- First Grade Year-Old