S
Zodix
Study
Academic Library
Search
Shelves
Open access
Sign in
Search or jump to…
⌘K
Billie J. Hughes · Study
Home
/
Author
Billie J. Hughes
1 works
· latest 1985
· 1 institutions
cluster: provisional
Follow
Claim this profile
h-index
1
i10
1
Citations
59
Works here
1
85
Most cited in this library
External Evaluation, Task Difficulty, and Continuing Motivation
1985 · 59 citations
Works
1 shown
External Evaluation, Task Difficulty, and Continuing Motivation
The Journal of Educational Research
·
1985
·
3 authors
59
citations