| |||
non-response | |||
drop-out; dropout; lost to follow-up | |||
failure to reply | |||
failure; failure to operate; non-operation |
bortfall: 15 phrases in 11 subjects |
Communications | 1 |
Electronics | 2 |
Finances | 1 |
International trade | 1 |
Life sciences | 1 |
Lighting other than cinema | 1 |
Marketing | 2 |
Mathematics | 1 |
Medical | 1 |
Statistics | 1 |
Transport | 3 |