Randomized trial analyzes research topics in blended learning, highlighting trends and key elements.
Key Points
This research aims to analyze the main topics and trends in blended learning literature using topic modeling techniques. It identifies shifts in focus areas over time.
Analyzed abstracts from 3772 papers published from 2003 to 2021 via LDA topic modeling.
Conducted a keyword analysis to evaluate topic development trends and research focus changes.
Utilized word cloud analysis to visualize keyword characteristics at different research stages.
Identified 7 research topics with a significant rise in popularity for presences and formative assessment being a rarely discussed area.
Noted a shift in research emphasis from health and sciences to learning elements like outcomes and teacher factors.
Observed no significant trends in five other topics, which still represent a considerable proportion of the literature.