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Determining eligibility in MA Early intervention. A General Overview to Scoring. TODAY’S AGENDA. Background information about the BDI-2 Completing the Record Form Determining Eligibility. BACKGROUND INFORMATION . Developed for children birth-7.11 years old
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Determining eligibility in MA Early intervention A General Overview to Scoring
TODAY’S AGENDA • Background information about the BDI-2 • Completing the Record Form • Determining Eligibility
BACKGROUND INFORMATION • Developed for children birth-7.11 years old • Standardized test with nationally representative sample of 2500 children • Bias reviews on all items conducted for the following areas of concern: • Gender • Ethnicity • Cultural • Regional • Socio-economic
OVERVIEW OF ASSESSMENT NORM- REFERENCED TESTING • Allow for comparisons of a child’s performance with that of a reference group --> children of the same age • Generates normative scores: • Standard scores/Developmental Quotients • Mean = 100, Standard Deviation = 15 • Scaled scores • Mean = 10, Standard Deviation = 3 • Norm-referenced tests follow standardized administration procedures, meaning that administration is conducted in a uniform and consistent way so that a child’s performance can be compared fairly to the performances of other children.
* Red line indicates 1.5 SD INTERPRETATION OF EVALUATION RESULTS DETERMINING ELIGIBILITY: DEVELOPMENTAL QUOTIENT = 77 1.5 STANDARD DEVIATIONS BELOW THE MEAN
Determining Eligibility Scoring and Interpreting
ADMINISTRATION • STARTING POINT: first item administered in each sub-domain. Chosen by the evaluation team. Often based on the child’s chronological age • BASAL: Functional level at which child shows mastery of tasks • Child must score 3 consecutive 2-point responses • CEILING: Level at which tasks become too difficult • Child must score 3 consecutive 0-point responses
Step 2 Test in reverse order until basal is met What is the raw score for the Gross Motor Subdomain? Step 1 Start Point GM 20 Step 3 Continue testing forward until ceiling is met
Calculating the Raw Score • For each subdomain add up the 2 scores and the 1 scores to determine the raw score. • REMEMBER: the basal assumes that the child would get a score of 2 for all of the preceding tasks, so you must add in these sums to the raw score. • Transfer the raw score onto the Scoring Profile on the front of the scoring booklet (2nd column of large table) • Use the raw scores to determine the percentile rank and scaled scores for each subdomain using Appendix B.
Scoring continued… • Use exact chronological age and obtained raw scores to derive (Appendix B): • Age Equivalents (subdomains) • Scaled Scores (subdomains) • Percentile Ranks (subdomains & domains) • Determine the Sum of Scaled Scores for each domain and then use these numbers to derive (Appendix C): • Developmental Quotients (domains) • Confidence Intervals (domains) • Create subdomain & domain profiles
Scoring Exercise SCORE SUMMARY Enter subdomain raw scores. Use Appendix A to obtain age equivalent (AE). Use Appendix B to obtain percentile rank (PR) and scaled score. Total subdomain scaled scores within each domain. Then total the totals.
Scoring Exercise Con’t SCORE SUMMARY CA: 5 years, 1 month Enter raw scores for subdomains. Record AE (Ap. A). Record PR and SS (Ap. B). Total subdomain scaled scores & Total.
Scoring Exercise Con’t DOMAIN & BDI-2 TOTAL SCORES Transfer domain scaled score totals to sum of scaled scores boxes. Use Appendix C to obtain the DQ, PR, and Confidence Interval (90% or 95%) for all 5 domains and the BDI-2 Total.
Scoring Exercise Con’t COMPOSITE PROFILE Transfer the developmental quotients to the appropriate boxes. Place a dot (or an X) in the column for the obtained DQ. Connect the dots (or X’s) to obtain a norm-referenced profile of the child’s performance on the composites. Do not connect the domains to the total score. If a domain was not administered do not connect lines through that domain.