Table 3 Three steps of PLS methodology
Cognitive domain | ||||
|---|---|---|---|---|
Perceptual speed/working memory | Orientation | Episodic memory | Visual spatial | |
Step 1: Original PLS Combination (Combination 1) | 1) Symbol Digit Modalities (Perceptual Speed) 2) Digit Ordering (Working Memory) | 1) MMSE Orientation to Time | 1) Logical Memory Delayed 2) Word List Memory Delayed | 1) Judgment of Line Orientation 2) Raven’s Progressive Matrices (subset of 9 items from A and B) |
Step 2: Added MMSE Orientation to Place (Combination 2) | 1) Symbol Digit Modalities (Perceptual Speed) 2) Digit Ordering (Working Memory) | 1) MMSE Orientation to Time 2) MMSE Orientation to Place | 1) Logical Memory Delayed 2) Word List Memory Delayed | 1) Judgment of Line Orientation 2) Raven’s Progressive Matrices (subset of 9 items from A and B) |
Step 3: Removed Digit Ordering (Combination 3) | 1) Symbol Digit Modalities (Perceptual Speed) | 1) MMSE Orientation to Time 2) MMSE Orientation to Place | 1) Logical Memory Delayed 2) Word List Memory Delayed | 1) Judgment of Line Orientation 2) Raven’s Progressive Matrices (subset of 9 items from A and B) |