Final answer:
Joseph Renzulli influenced gifted education through innovative approaches like cluster grouping and summer enrichment.
Explanation:
Joseph Renzulli exerted the most influence on gifted education in the 1990s. Renzulli is known for his work on the three-ring conception of giftedness which emphasizes the interaction between above-average ability, creativity, and task commitment.
His approach to gifted education focused on providing opportunities for enrichment and challenging students through programs such as cluster grouping and summer enrichment, which have been common forms of education for gifted individuals.
Renzulli's contributions have significantly impacted how gifted education curriculum is designed and implemented, emphasizing the importance of tailored educational experiences for gifted students.
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