Final answer:
The best search term to find information on the impact of educational technology on student achievement is "Impact of educational technology on student achievement".
Step-by-step explanation:
The best search term to find information on the impact of educational technology on student achievement would be C. "Impact of educational technology on student achievement". This search term is the most specific and directly addresses the topic you are looking for. It will help you find relevant information and research studies that explore how educational technology affects student achievement.