Stunningly, the typical answer-based tutoring systems average an effect size of around 0.35 standard deviations, and all three of the step-based, substep-based, and human tutoring cluster around an effect size of 0.75 standard deviations.

FORBES: How Machine-Based Tutoring Could Disrupt Human Tutors

I'm rested and relaxed after two days at this wellness-lite resort in the desert two hours east of San Diego--an effect of the vast saturated-blue sky, the 650, 000 acres of nature preserve all around, that cushy bed in my guest room, and, best of all, the laid-back approach to the mindfulness mission.

FORBES: Magazine Article