Categorical growth models describe examinee growth in terms of performance-level category transitions, which implies that some percentage of examinees will be misclassified. This paper introduces a new procedure for estimating the classification accuracy of categorical growth models, based on Rudner's classification accuracy index for item…

A classic issue in the cognitive psychology of human category learning has involved the contrast between exemplar and prototype models. However, experimental tests to distinguish the models have relied almost solely on use of artificially-constructed categories composed of simplified stimuli. Here we contrast the predictions from the models in a…

In a novel version of the classic dot-pattern prototype-distortion paradigm of category learning, Homa et al. (2019) tested a condition in which individual training instances never repeated, and observed results that they claimed severely challenged exemplar models of classification and recognition. Among the results was a dissociation in which…

Interest in universities as anchor institutions within their communities and cities is growing as civic leaders search for ways to build local wealth. Systematic analysis of the effects of anchor institution initiatives remains difficult due to the disparate nature of anchor initiatives and a relative lack of a shared language describing the work.…

Recent context-control learning studies have shown that switch costs are reduced in a particular context predicting a high probability of switching as compared to another context predicting a low probability of switching. These context-specific switch probability effects suggest that control of task sets, through experience, can become associated…

The mix of technologies used in postsecondary instruction has become increasingly more varied, and information with students about instructional experiences can be confusing. Building upon on a series of WCET works over the past year on digital learning definitions, this paper presents several complex cases, based on real-world examples, where the…

Categorical perception (CP) effects manifest as faster or more accurate discrimination between objects that come from different categories compared with objects that come from the same category, controlling for the physical differences between the objects. The most popular explanations of CP effects have relied on perceptual warping causing…

Purpose: This preliminary research examined (a) the perception of two common sources of indexical variability in speech--regional dialects and foreign accents, and (b) the relation between indexical processing and sentence recognition among prelingually deaf, long-term cochlear implant (CI) users and normal-hearing (NH) peers. Method: Forty-three…

The sequence of study influences how we learn. Previous research has identified different sequences as potentially beneficial for learning in different contexts and with different materials. Here we investigate the mechanisms involved in inductive category learning that give rise to these sequencing effects. Across 3 experiments we show evidence…

Policymakers have grown increasingly interested in how experimental results may generalize to a larger population. However, recently developed propensity score-based methods are limited by small sample sizes, where the experimental study is generalized to a population that is at least 20 times larger. This is particularly problematic for methods…

Policymakers are increasingly interested in the extent to which experimental results generalize from a sample to a population of inference. When the sample is not randomly selected, propensity score methods are used to reweight the sample. Subclassification by propensity score is commonly used in which the population is partitioned into strata…

A highly controlled laboratory experiment was conducted that suggested computer-based image training of rock classifications can provide a useful supplement to physical rock training. Two groups of participants learned to classify samples of 12 major types of rocks during a training phase. One group was trained using computer images of the rock…

The conjoining of Indiana state and federal accountability plans during the No Child Left Behind (NCLB) flexibility waiver (2012-2015) was an attempt at one combined system to furnish information in a simple and transparent manner, while obscuring the performances of English learner's (EL) English progress and EL reclassification. We identify how…

With the 2015 passage of the "Every Student Succeeds Act" (ESSA), the oversight of language policy in U.S. schools shifted from federal to state governance. Although the education of students officially designated as English learners (ELs) has historically been grounded in federal law, we argue that ELs' educational experiences are also…

Private school choice options are being proposed and adopted in numerous states across the country. As of the spring of 2019, 62 private school choice programs were in operation in 29 states and the District of Columbia, serving more than 400,000 children. Although growth in private school choice programs and enrollment has been considerable over…