Dabrowski's theory of positive disintegration has been associated with the psychology of giftedness for four decades, and Sal Mendaglio has significantly contributed to the thoughtful understanding of the theory throughout those 40 years. In this interview, Mendaglio discusses the relationship between the theory of positive disintegration and the…

The movement toward open-science is multifaceted with the general goal to promote both better scientific practices and greater access to scientific information. One aspect of the open-science framework is the recommended use of registered reports replacing the legacy model that dictates research manuscripts are submitted for initial review only…

In response to concerns about the credibility of many published research findings, open science reforms such as preregistration, data sharing, and alternative forms of publication are being increasingly adopted across scientific communities. Although journals on giftedness and advanced academic research have already implemented several of these…

The author interviewed Dr. Carolyn Callahan, an eminent scholar in gifted education. The interview focused on Dr. Callahan's work on implementing gifted program in rural areas, and illustrated her suggestions for teachers, researchers, and parents on how to advocate for gifted students.

The commentaries in this special issue as well as the articles they address contribute to the knowledge base about advanced learners, how they are identified, and how they are best served. In our Editors' commentary, we have organized our thoughts following the same order in which the commentaries appear in the remainder of this issue. As the…

The article by Davis, Engberg, Epple, Sieg, and Zimmer (2010) represents one of the recent research efforts from economists in evaluating the impact of gifted programs. It can serve as a worked example of the implementation of the regression discontinuity (RD) design method in gifted education research. In this commentary, we first illustrate the…

Card and Giuliano's National Bureau of Economic Research (NBER) working paper on universal screening is discussed. This commentary provides a brief summary and critique of the article, proposes an explanation of the results in light of the author's research on the role of nominations or screening tests in the gifted identification process, and…

In this commentary of "Evaluating the Gifted Program of an Urban School District Using a Modified Regression Discontinuity Design" by Davis, Engberg, Epple, Sieg, and Zimmer, we examine the background of the study, critique the methods used, and discuss the results and implications. The study used a fuzzy regression discontinuity design…

Using data from a large southwestern school district, Bui, Craig, and Imberman investigated the effects of gifted and talented programming on middle school students' achievement and behavior (attendance and discipline) through two avenues. Using a regression discontinuity design for the first set of analyses, the authors took advantage of a…

One of the most challenging decisions made by school system administrators each year is how to assign students to teachers. This decision, usually guided by the administrator's beliefs and values, has major implications for the teacher and the student. Collins and Gan undertook a complex study to examine the impact of grouping practices on student…

Bui, Craig, and Imberman assessed the impact of gifted and talented programs on student achievement using regression discontinuity and random assignment to gifted magnet schools. In both analyses, they found minimal impact of the gifted and talented programs on student achievement. This commentary addresses two concerns associated with the study.…

In this commentary on "Does Sorting Students Improve Scores? An Analysis of Class Composition" (Collins and Gan 2013), the author discusses the findings in Collins and Gan's study on grouping to provide appropriate-level instruction to promote students' academic growth. This commentary critiques the credibility and validity of the…

The author responds to the article by Warne, Godwin, and Smith (2013) on the question of whether there are more gifted people than would be expected in a Gaussian normal distribution. He asserts that the answer to this question is yes, based on (a) data that he and his colleagues have collected, (b) data that are already available and quoted by…

The author interviewed Dr. Carol Tomlinson, who is a well-known academic scholar in gifted education. The interview focused on Dr. Tomlinson's work on differentiation, how she started, and what her suggestions for teachers are to differentiate instructions for gifted students in general education classrooms.

This article presents the authors' critique on "Differentiating Low Performance of the Gifted Learner: Achieving, Underachieving, and Selective Consuming Students" (Figg, Low, McCormick, & Rogers 2012). The authors of "Differentiating Low Performance of the Gifted Learner: Achieving, Underachieving, and Selective Consuming Students" endeavored to…