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Nonparametric test: sentiment valence of comments made on the videos.
| Valence and group | Mean rank | Sum of ranks | Z | P | |
| Positive valence |
|
|
2.159 | .03a | |
|
|
Organic | 521.2 | 403927 |
|
|
|
|
Local organic | 564.54 | 163718 |
|
|
| Negative valence |
|
|
0.15 | .88a | |
|
|
Organic | 532.27 | 4125409 |
|
|
|
|
Local organic | 534.95 | 155136 |
|
|
aN1=775, N2=290.
