Tipo: artículo

Metodología: trabajo teórico

Temas: inteligencia artificial

Resumen:

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Debates about the implications of generative AI in education largely frame AI as a tool—an extension of existing mediational means that support human activity. Drawing on sociocultural theory, we propose the alternate concept of mediational agent to describe a class of systems that not only mediate action but also participate in interaction by generating contingent, responsive contributions. This reconceptualization challenges a foundational distinction between mediation and social interaction and has important implications for educational practice. It calls for the cultivation of durable, human-centered habits of participation that sustain learners’ agency and judgement in AI-mediated activity. We argue that these habits...

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Tipo: artículo

Metodología: estudio empírico

Temas: inteligencia artificial

Resumen:

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Researchers have sought for decades to automate holistic essay scoring. Over the years, these programs have improved significantly. However, accuracy requires significant amounts of training on human-scored texts—reducing the expediency and usefulness of such programs for routine uses by teachers across the nation on non-standardized prompts. This study analyzes the output of multiple versions of ChatGPT scoring of secondary student essays from three extant corpora and compares it to quality human ratings. We find that the current iteration of ChatGPT scoring is not statistically significantly different from human scoring; substantial agreement with humans is achievable and may be...

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