This activity will help your students to build their confidence, moreover, try to find out those children in your class who are introversive and make some resourceful plan to activate them in every class activities.    From Wordnik.com.  [Tips To Enhance Your Teaching Skills] Reference

An introversive political economist, graduate degree in Economics, undergrad degree in Engineering. (introversive in the sense Mises uses the term; not introverted) Helping the government get to the fiscal crises that may be the only hope for the republic.    From Wordnik.com.  [Libertarian Blog Place] Reference