R2 scores of the feature sets in predicting participant performance on language-based NPTs

Exam Feature set
Original linguistic Expanded linguistic Syntactic Semantic Lexical
Logical Memory Immediate Recall 0.468 0.579 0.479 0.556 0.552
Logical Memory Delayed Recall 0.489 0.66 0.543 0.616 0.634
Logical Memory Recognition 0.167 0.296 0.221 0.266 0.282
Paired Associate Learning Immediate Recall 0.318 0.309 0.264 0.281 0.308
Paired Associate Learning Delayed Recall 0.282 0.25 0.232 0.24 0.25
BNT correct without cues for 30 item 0.181 0.144 0.096 0.115 0.094
Letter Fluency 0.413 0.305 0.231 0.284 0.145
Category Naming 0.37 0.324 0.328 0.306 0.331