Engagement Rate | Mono-medium (text / speech) | Multimedia (text & speech) | |||||
---|---|---|---|---|---|---|---|
Reading (books) | Listening (songs) | YouTube BBC 6-Minute English | Video games | Songs | Films | Audio books | |
Writing rate | −0.039 | −0.068 | 0.606 | −0.436 | 0.333 | 0.327 | 0.061 |
No. of error-free T. units per text | −0.341 | 0.226 | 0.867 | −0.334 | 0.062 | 0.606 | 0.575 |
Lexical diversity (VOCD) | −0.783 | 0.204 | 0.844 | −0.150 | 0.310 | 0.136 | 0.453 |
Lexical density | −0.250 | −0.287 | 0.448 | 0.763 | −0.371 | −0.498 | 0.184 |
Mean length of T.unit | −0.182 | 0.039 | 0.409 | −0.317 | 0.103 | 0.139 | −0.072 |
Number of clauses per T-unit | −0.524 | 0.047 | 0.598 | −0.244 | 0.125 | 0.161 | 0.233 |
Organization of ideas | −0.485 | 0.017 | 0.732 | −0.053 | 0.000 | 0.458 | 0.472 |