Table 5 Effect size in sentiment trend after the change-points and the interpretation.
Category | Sentiment | Change in mean (%) | Cohen’s d | Cohen’s d interpretation |
|---|---|---|---|---|
Text | Negative | 10.55 | 1.78 | Very large increment |
Neutral | −4.26 | −1.36 | Very large decrement | |
Positive | −3.30 | −0.59 | Medium decrement | |
Image | Negative | 5.75 | 0.75 | Large increment |
Neutral | 8.29 | 1.24 | Very large increment | |
Positive | −24.52 | −2.37 | Huge decrement |
