Positive Psychology: Martin E. P. Seligman’s Visionary Science

Completed by Sylvia Hofer-Jendros

October 25, 2020

17 hours (approximately)

View certificate for Sylvia Hofer-Jendros, Positive Psychology: Martin E. P. Seligman’s Visionary Science, an online non-credit course authorized by University of Pennsylvania and offered through Coursera