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Evaluating Irt- And Ctt-Based Methods Of Estimating Classification Consistency And Accuracy Indices From Single Administrations, Nina Deng
Open Access Dissertations
Three decision consistency and accuracy (DC/DA) methods, the Livingston and Lewis (LL) method, LEE method, and the Hambleton and Han (HH) method, were evaluated. The purposes of the study were (1) to evaluate the accuracy and robustness of these methods, especially when their assumptions were not well satisfied, (2) to investigate the " true" DC/DA indices in various conditions, and (3) to assess the impact of choice of reliability estimate on the LL method.
Four simulation studies were conducted. Study 1 looked at various test lengths. Study 2 focused on local item dependency (LID). Study 3 checked the consequences of …
Beyond School Inputs And Resources: An Assessment Of The Effects Of Program Intervention On Learning Achievement In Rebep Schools In Sierra Leone, Aiah As Mbayo
Open Access Dissertations
The EFA conference in Dakar 2000 ushered in new momentum for ensuring universal access to education and advocacy for improved educational quality in all aspects (UNESCO, 2000). While significant progress has been made in expanding access in sub-Saharan Africa, particularly for girls, efforts to ensure improved educational quality in terms of learning, have not matched the drive for universal educational access. Rather, educational quality in most countries in sub-Saharan Africa has been seriously compromised by rapid expansion given the limited resources.
In many attempts to ensure the delivery of quality education in developing countries, the thrust of delivery strategies has …