Final answer:
Antoinette's most focused research question is 'Is the use of technology in the classroom beneficial to learning?' as it allows for an analysis of various studies and outcomes. It is an integral topic for educational policy and can form the basis of a comprehensive thesis.
Step-by-step explanation:
The best research question for Antoinette to focus her research on a specific topic would likely be A. Is the use of technology in the classroom beneficial to learning? This question is focused, and clear, and lends itself to exploring different perspectives and outcomes based on empirical studies. It allows Antoinette to delve into various research findings, like those studies showing both positive impacts on surgery students using a smartphone app and negative effects on sleep and time management in undergraduates. By comparing different studies and critically analyzing their methodologies and outcomes, Antoinette can develop a nuanced understanding of the topic. The question relates directly to educational technology and its effects, which is a significant concern for educational leaders and decision-makers looking to implement or revise technology use policies.