108 middle-schoolers were randomly assigned to either chew gum or not chew gum during math class, and while they were doing their homework[1].
मुलुकको ८० प्रतिशत विद्यार्थीको पठनपाठन गुणस्तरीय हुन नसक्दा त्यसको सबैभन्दा पहिलो मार राज्यलाई नै पर्ने अवस्था छ ।