Table 3 Structural factors with the highest passing rate for each item
| 听 | Structure factor | Passing rate(%) |
|---|---|---|
One Item | \({\textrm{x}}_{1}{\textrm{x}}_{2}^{2}\textrm{ or }{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}\) | \(90.82\) |
Two Item | \(-{\textrm{x}}_{2}^{2}+{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}\) | \(85.99\) |
Three Item | \(-{\textrm{x}}_{2}^{2}+{\textrm{x}}_{1}{\textrm{x}}_{2}^{2}-{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}^{2}\) | \(59.58\) |
Four Item | \(-{\textrm{x}}_{2}+{\textrm{x}}_{1}{\textrm{x}}_{2}-{\textrm{x}}_{1}{\textrm{x}}_{2}^{2}+{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}^{2}\) | \(12.72\) |
Five Item | \({-\textrm{x}}_{2}^{2}+{\textrm{x}}_{1}{\textrm{x}}_{2}+{\textrm{x}}_{1}{\textrm{x}}_{2}^{2}-{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}-{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}^{2}\) | \(47.02\) |
Six Item | \({-\textrm{x}}_{2}-{\textrm{x}}_{2}^{2}+{\textrm{x}}_{1}{\textrm{x}}_{2}-{\textrm{x}}_{1}{\textrm{x}}_{2}^{2}-{\textrm{x}}_{1}^{2}{\textrm{x}}_{2}{-\textrm{x}}_{1}^{2}{\textrm{x}}_{2}^{2}\) | \(3.54\) |