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So many terms. Assessment : . Testing : . Diagnosis : . McLoughlin & Lewis, 2005. Special education assessment is not. Based on the medical model Is no longer focused solely on the student. Special education assessment is. Ongoing Individualized Systematic Comprehensive
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So many terms . . . • Assessment: • . • Testing: • . • Diagnosis: • . McLoughlin & Lewis, 2005
Special education assessment is not . . . • Based on the medical model • Is no longer focused solely on the student
Special education assessment is . . . • Ongoing • Individualized • Systematic • Comprehensive • Purposeful • Linked to general education curriculum • Varied • Team-based • Non-biased (strives to be!) McLoughlin & Lewis, 2005
Three major outcomes of assessment occur before, during, and after instruction. • Screening and Identification • Diagnostics/Planning and Formative Evaluation • Documenting Outcomes, Securing Funds, and Providing Accountability
Traditional Assessment Model vs. Contemporary Assessment Model
Difficulties With Traditional Assessment Practices • Lack of Pre-referral Interventions • Lack of Integrity of Pre-referral Interventions • Wait to fail model • Bias in Referral Process • Bias in Assessment Process • Lack of Consistency in Eligibility Decisions
Formal vs. Informal Assessments • FormalStandardized Assessment • Tests given with specific instructions and procedures • A standard (norms or performance criteria) established so scores can be interpreted with that standard as the comparison or referent • Informal: • Non-standardized methods of evaluating progress, such as interviews, observations, teacher-made tests
Norm-referenced Assessment • Tests designed to compare a specific student’s ability with the ability of same age students in national sample. • Examples: • WRAT • PIAT • KTEA • WJ
Strengths & Weakness? STRENGTHS Good for determining relative standing in peer group Standardized to make comparisons WEAKNESSES Content may not overlap curriculum Can’t use frequently to PM Not intended for instructional planning
Criterion-Referenced Tests • Compare a student’s performance against an absolute standard that reflects acquisition of the skill • Criterion-related Tests • .
Comparison of NRT and CRT Norm Referenced tests Criterion referenced tests Compare to a criterion . Targets specific skills Collects an adequate sample of student’s performance on a skill Uses similar items to those found during instruction • Compare to a norm • Can inform comparison to norm group and eligibility • Has a range of skills • . • Often group administered and/or machine scored and so use response formats
Informal Assessments • Dynamic Assessment • Interactive assessment to determine if student has potential to learn a new skill. • Portfolio Assessment • .
Informal Assessments • Error Analysis • . • Checklists, Rating Scales, Observations- • A variety of measures used to determine student's skill level or behavioral functioning. • Ecological Assessment
Direct Assessment of Academic Skills • Curriculum-Based Assessment • . • Curriculum-Based Measurement-