The most noticeable observation is that the data regarding Minecraft in the classroom is very positive. Most respondents indicated that Minecraft had been very successful as a teaching tool and that learners showed high levels of motivation and participation - which suggests improved learning. (Smeaton, p. 5)
Smeaton, D. (n.d.). Minecraft as a Teaching Tool- A Statistical Study of Teachers' Experience Using Minecraft in the Classroom (Graduate Dissertation). Available from Academia.edu. Retrieved from https://www.academia.edu/2624927/Minecraft_As_A_Teaching_Tool_-_A_Statistical_Study_of_Teachers_Experience_Using_Minecraft_In_The_Classroom
Academia.edu is a site that you can join for free which gives you access to academic papers written by others. You can place your own papers on this site for others to see as well. I looked up the above title through this site (it gives you a download copy of the dissertation). This study reported on 17 teachers who took a survey that delved into whether these teachers who used Minecraft simulations in the classroom felt about the outcome of its use.