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Table 3 Spearman correlations of RFFT and CogState, separate for young (18–49) (N = 156), middle-aged (50–64) (N = 226), and older (≥65) adults (N = 89)

From: Comparison of cognitive functioning as measured by the Ruff Figural Fluency Test and the CogState computerized battery within the LifeLines Cohort Study

  Young adults (18–49 years) (N = 156) Middle-aged adults (50–64 years) (N = 226) Older adults (≥65 years) (N = 89)
RFFT total unique designs
 GMLT −0.15 −0.25** −0.21*
 GMLR −0.20* −0.21** −0.19
 DET −0.18* −0.30** −0.15
 IDN −0.27** −0.31** −0.08
 OBK 0.19* 0.08 0.43**
 OCL 0.25** 0.30 0.28**
RFFT error ratio
 GMLT 0.21** 0.25** 0.23*
 GMLR 0.23** 0.17* 0.26*
 DET 0.11 0.05 0.15
 IDN 0.01 −0.05 0.01
 OBK 0.11 −0.11 −0.11
 OCL −0.20* −0.08 −0.12
  1. *p < 0.05; **p < 0.01; RFFT Ruff Figural Fluency Test, GMLT Groton Maze Learning Test, GMLR Groton Maze Learning Test – Delayed Recall, DET Detection Task, IDN Identification Task, OBK One Back Task' OCL: One Card Learning task