Table 5 Correlations between Rasch student ability estimates for the CTSR items by tier and content
Dimension | ( A ) | ( B ) | ( C ) | ( D ) | ( E ) | ( F ) | ( G ) | |
|---|---|---|---|---|---|---|---|---|
Tier 1 * Control Of Variables | ( A ) | |||||||
Tier 1 * Combinatorial Reasoning | ( B ) | 0.82 | ||||||
Tier 1 * Probabilistic Reasoning | ( C ) | 0.69 | 0.66 | |||||
Tier 1 * Proportional Reasoning | ( D ) | 0.57 | 0.60 | 0.57 | ||||
Tier 2 * Control Of Variables | ( E ) | 0.99 | 0.82 | 0.715 | 0.59 | |||
Tier 2 * Combinatorial Reasoning | ( F ) | 0.81 | 0.94 | 0.77 | 0.61 | 0.82 | ||
Tier 2 * Probabilistic Reasoning | ( G ) | 0.72 | 0.68 | 0.99 | 0.53 | 0.74 | 0.79 | |
Tier 2 * Proportional Reasoning | ( H ) | 0.66 | 0.67 | 0.65 | 0.99 | 0.67 | 0.68 | 0.62 |