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The amount of empirical research conducted in the area of differentiated instruction (DI) is overwhelming, necessitating this bibliometric analysis in order to produce an overview of literature on the topic. The objective of this study is to identify the characteristics of the most-cited educational research published on the topic of DI using science mapping and multi-dimensional bibliometric analysis methods. To answer the research questions which were related to: i) publication, ii) authorship, iii) authors' keywords, and iv) journals, a total of 100 articles published between 1990 and 2018, generated from SCOPUS, were analysed. The results showed that the most-cited articles and the number of publications were highest between 1995 and 2011. With a total of 545 citations "A Time for Telling", published in the Journal of Cognition and Instruction (1998), was the most cited. The most significant keywords were: a) differentiated instruction, b) differentiation, c) curriculum, d) mathematics, and e) reading. The analysis showed that there were 283 authors who contributed to the 100 articles, and amongst them Carol McDonald Connor was the greatest contributor. It was also revealed that the great majority of the most-cited publications were from Q1-ranked journals. These findings inform scholarly efforts adopted in developing a diverse knowledge base in the field. The findings are important to scholars as they provide an overview of the progress of research on the topic of DI.

Purpose This study aims to use science mapping to explore the knowledge base on workplace learning. Design/methodology/approach The analyses were based on the 100 most-cited articles out of the 7,469 results that were generated by the search on SCOPUS database. Bibliometric analyses such as keyword occurrence, co-authorship network and bibliometric coupling network were conducted using VOSviewer. Findings The results indicated that scholarly work in the area of workplace learning is on the rise while emphasising the need for contributions from Eastern and Asian perspectives. It was also found that scholarly work on workplace learning can be classified into two major schools of thought, namely, one that revolves around learning communities and other around communities of practice. Finally, analysis of the top-journals revealed that many of them have a close association with the field of education. Research limitations/implications This analysis is based on a single database. Nonetheless, scholars looking forward to research and publish on the topic may consider the key concepts and journals identified in this review. Originality/value To the best of the authors’ knowledge, no other study on bibliometric analysis of the topic has been conducted. This study contributes to the knowledge base on workplace learning by science mapping the existing knowledge.

This mixed-method study examines data gathered from 101 elementary teachers to investigate their perceptions about Differentiated Instruction (DI) based on qualification and experience. The study also explores the challenges of implementing DI. A survey questionnaire with both Likert-type and open-ended questions was utilised to collect data. The results indicated that teachers had a high perception on DI, while no statistically significant difference in teachers' perceptions based on their experience and qualification was identified. Additionally, lack of resources, time, support, knowledge, and class size were identified as barriers for DI implementation.