In an article entitled "The Electrodermal Component of the
Orienting Response in Blind and Deaf Individual," in the British
Journal of Psychology (August, 1976), D. Carroll and P. G. Surtees
report on comparisons between blind and sighted children. They
report an average verbal IQ of 119.4 with a standard deviation
of 8.13 for 11 blind children. The average IQ for 11 sighted
children in a control group was 121.4 with a standard deviation
of 7.4. Is there evidence of any significant differenc in IQ
between these two groups? (Use a= 0.10.)
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