Read another excerpt from Colleen’s research-based essay on trends in education.

(1) One trend certain to remain, and even expand, is the trend toward integrating technology into the classroom. (2) In many districts, the classroom has been transformed into a high-tech zone, other districts are lagging, due to a lack of either resources or vision. (3) According to research, the most successful districts incorporate technology at a much higher rate of computer equipment per student than the least successful districts (Pellegrin 14).

What is the best way for Colleen to revise the paragraph to effectively use transitions?

by adding the transition For example to the beginning of sentence 1
by adding the transition though before the phrase other districts in sentence 2
by replacing the phrase According to research with the transition Indeed in sentence 3
by replacing the word than with the transition as well as in sentence 3