Table 1 The verbal grading used to classify hints
Verbalization | Trend | Z-score |
|---|---|---|
strong positive hint | \( \vec {\Delta }_{C} > l_{rel} \) AND \(b_{l}(\vec {\Delta }_{C}) > 0.5* l_{rel} \) | \(\vec {z} > 1.96 \) AND \( b_{l}(\vec {z})>1\) |
regular positive hint | \( \vec {\Delta }_{C} > l_{rel} \) AND \( b_{l}(\vec {\Delta }_{C}) > 0 \) | \( \vec {z}>1.96\) |
weak positive hint | \( \vec {\Delta }_{C} > l_{rel} \) | \( \vec {z}>1 \) |
inconclusive | otherwise | |