Linear Independence and Wronskians in ECE Fall 2023
Definition and examples of linear independence in terms of sets of functions, exploring key concepts like intervals, coefficients, and combinations. Understand the implications of linear dependence and how it relates to the properties of functions within a given interval.
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Section 3: Learning Check Please put into Slide Show Mode to begin interactive Quiz (Slide Show From Beginning) Instructions Click on responses to select answer. Once selected, you can click on the same box to show original text. Use navigation arrows to advance to next question Question 1 Question 1
Knowledge Check Which of the following is NOT one of the five questions that Phillips suggested asking when making accommodations decisions? 1 This is correct. Although appropriate accommodations often do raise examinee test scores, this is not an appropriate question to ask, This is incorrect. This isone of Phillips s questions. Please, try again. Will the accommodation be likely to raise the examinee s test score? since inappropriate accommodations would also be likely to lead to this outcome. Will the accommodation compromise measurement of target skills? This is incorrect. This is one of Phillips s questions. Please, try again. This is incorrect. This isone of Phillips s questions. Please, try again. Will the accommodation change the test s psychometric properties? Can students with disabilities adapt to standard testing conditions? Instructions Next Question Instructions Next Question
Knowledge Check How can research with nondisabled examinees help to provide information to accommodation decision makers, according to Phillips s framework? 2 This is incorrect. Validity evidence for those who take the test with accommodations should be compared to validity evidence for those who take the test without accommodations, but optimally this would all This is correct! When an accommodation benefits examinees with and without disabilities, it can more easily lead to inappropriate score If nondisabled examinees also benefit from an accommodation, it will be even more important to be careful to ensure that those examinees receiving it truly have deficient access skills. inflation. A test s validity evidence for examinees with disabilities must be compared to the validity evidence for examinees without disabilities. be done with examinees with disabilities. Please, try again. This is incorrect. Correlations between target skill levels and access skill levels in nondisabled populations would not be relevant to accommodation decisions. Moreover, low correlations between the two types of skill levels would be expected if almost all nondisabled examinees have the Correlations between target skill levels and access skill levels from nondisabled populations should be examined; low correlations suggest that accommodations would be inappropriate on that test. relevant access skills. Please, try again. This is incorrect. This is not at all a part of Phillips s framework, and examinees without disabilities would not be in the best position to provide these suggestions. Please, try Surveying nondisabled examinees for ways to improve test format and design helps to generate ideas for appropriate accommodations. again. Previous Question Next Question Previous Question Next Question
Knowledge Check What is the appropriate relationship between determinations of disability status and determinations of accommodation need? 3 This is correct! Many examinees with disabilities can take tests under standard administration conditions This is incorrect. Many students with disabilities will not need accommodations on any given test. Please, If a student has a valid disability diagnosis, testing agencies should assume that accommodations are needed. try again. Some examinees with valid disability diagnoses may need accommodations, whereas others may not. because the disabilities do not impact access skills needed for a particular test. This is incorrect. Disability/diagnostic categories are too broad, and the examinees in them are too heterogeneous, to make this feasible. Please, try Testing agencies should construct a list of what accommodations will be provided to each examinee, based on which disability conditions are reported. again. This is incorrect. Accommodations should be given only for genuine need, not for discomfort. Please, try If a student with a disability reports discomfort under standard test administration conditions, accommodations are necessary. again. Previous Question Next Previous Question Next
Knowledge Check Which group must be consulted when determining if an accommodation would prevent a test from measuring what it is designed to measure? 4 This is incorrect. Psychometricians have technical skills but must consult with content experts when making decisions about developing tests and accommodating examinees. Please, try again. This is incorrect. Examinees can offer useful comments about the experience of test-taking, but they lack expertise in score interpretation. Please, try Examinees again. Psychometricians This is incorrect. Test proctors can offer useful comments on how accommodations are implemented, but they do not have expertise in what the tests are designed to measure. Please, try again. This is correct! Score users are the people (or entities) that ultimately make interpretations on the basis of test scores, and should weigh in on what skills they take the test scores to be assurances of. Score users Test proctors Previous Question Next Previous Question Next
You have reached the end of this learning check Please click anywhere to exit! Lovett, B. J. (2023). Testing accommodations for students with disabilities [Digital ITEMS Module 31]. Educational Measurement: Issues and Practice, 42(1), 112-113. Previous Question Previous Question
