Table 7.

Experiment 2, Correlations Among Measures

Measure	DS	CS	LS	RS	AS	VA	PP	VO	RM	PA
Digit Span (DS)	0.89	0.54	0.68	0.70	0.50	0.31	0.64	0.63	0.48	0.45
Counting Span (CS)	0.47^*	0.87	0.70	0.65	0.50	0.43	0.57	0.54	0.72	0.62
Listening Span (LS)	0.60^*	0.60^*	0.86	0.67	0.51	0.57	0.78	0.78	0.66	0.50
Running Span (RS)	0.63^*	0.57^*	0.58^*	0.89	0.44	0.50	0.59	0.59	0.58	0.54
Auditory Sequences (AS)	0.45^*	0.44^*	0.45^*	0.40^*	0.91	0.40	0.42	0.35	0.47	0.37
Visual Arrays (VA)	0.28^*	0.38^*	0.51^*	0.45^*	0.36^*	0.91	0.50	0.50	0.53	0.44
PPVT (PP)	0.59^*	0.51^*	0.70^*	0.54^*	0.39^*	0.47^*	0.95	0.92	0.73	0.65
S-B Vocabulary (VO)	0.56^*	0.48^*	0.68^*	0.52^*	0.32^*	0.46^*	0.85^*	0.90	0.66	0.61
Ravens (RM)	0.42^*	0.63^*	0.58^*	0.51^*	0.42^*	0.48^*	0.67^*	0.59^*	0.88	0.75
S-B Pattern Analysis (PA)	0.41^*	0.56^*	0.45^*	0.49^*	0.34^*	0.41^*	0.61^*	0.56^*	0.68^*	0.93

Note. N = 127. Below the diagonal, raw correlations; above the diagonal, correlations corrected for attenuation (for which significance tests are unavailable). Scores on the diagonal (bold) are Chronbach's Alpha measures of reliability. PPVT = Peabody Picture Vocabulary Test, Ravens = Ravens Progressive Matrices. Pattern Analysis and Vocabulary are subtests of the Stanford-Binet Intelligence Scales.

p < .05