This collection hosts work originating from the National Science Foundation grant "Development and Validation of Observational and Self-Report Instruments to Describe Teaching Practices in Online Undergraduate STEM Courses" under the direction of Brian Horvitz, Whitney DeCamp, Charles R. Henderson, Megan Grunert Kowalske, Regina L. Garza Mitchell. This material is based upon work supported by the National Science Foundation under Grant No. 1712065.