Name Type Items Time Limit Reliability (Cronbach’s Alpha)Corr. to Pro* tests Norm status Spatial 32 35 minutes α: 0.77 N120r: 0.94 at N6 1st official Spatial 30 Untimed α: 0.72 N110r: 0,98 N6 3rd official Spatial 30 Untimed α: 0.70 N60r: 0,98 N8 2nd official Spatial 26 Untimed α: 0.79 N60r: 0,97 N12 2nd official Verbal 28 Untimed N/A N/A Verbal 29 Untimed α: 0.80 N15 Preliminary Numerical 30 Untimed α: 0.81 N31 1 st official Mixed 30 44 minutes α: 0.76 N72r: 0,93 N7 1 st official Numerical 30 Untimed α: 0.83 N31 1 st official Numerical 34 50 minutes α: 0.73 N122r: 0.97 N7 1st official Verbal 30 Untimed N/A N/A Mixed 40 Untimed N/A Estimated Spatial 31 40 minutes α: 0.78 at N174r: +0.98 at N11 1st official Spatial 30 45 minutes α: 0.74 at N116r: N/A 1st official Spatial 37 60 minutes α: N/Ar: N/A N/A Numerical 30 Untimed α: N/Ar: N/A N/A Numerical 30 Untimed α: N/Ar: N/A N/A Pro* tests = Proctored tests: WAIS, RAPM, FRT-A, FRT-B etc.