inform
podcast
writing
research
listening
guide
resource database
professional learning
conference collection
webinars
interdisciplinary curriculum
videos
grow
conference
volunteer
allies
our impact
about
about us
contact
Inform
Podcast
Writing
Research
Listening
Guide
Resources
Professional Learning
Conference Collection
Webinars
Interdisciplinary Curriculum
Videos
Grow
Conference
Volunteer
Allies
Impact
About
About Us
Contact
Support
support
Enhancing and Undermining Intrinsic Motivation: The Effects of Task-Involving and Ego-Involving Evaluation of Interest and Performance
Butler
1988
Enhancing and Undermining Intrinsic Motivation: The Effects of Task-Involving and Ego-Involving Evaluation of Interest and Performance