Student study assistance network at the first wave (image) National Research University Higher School of Economics Share Print E-Mail Caption The orange nodes are females, the blue nodes are males. Ties are directed study assistance connections between students. Credit © 2020 Dokuka et al. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.