graphs (i.e. less that 50 per cent are able to discern differences of this
Measurement
magnitude). In 9 out of 12 trials, the mean response is significantly different
distortion of
from 2 (no difference) at the 0.01 level. These trials relate to the higher levels of graphs in reports
distortion ± 50 per cent, 40 per cent, 30 per cent, 20 per cent and one of the 10
per cent trials. At the 20 per cent level of ``distortion'', between 50 per cent and
75 per cent of subjects perceive a difference and at levels of 30 per cent and
559
above, the proportion rises to 85 per cent and higher.
graphs (i.e. less that 50 per cent are able to discern differences of thisMeasurementmagnitude). In 9 out of 12 trials, the mean response is significantly differentdistortion offrom 2 (no difference) at the 0.01 level. These trials relate to the higher levels of graphs in reportsdistortion ± 50 per cent, 40 per cent, 30 per cent, 20 per cent and one of the 10per cent trials. At the 20 per cent level of ``distortion'', between 50 per cent and75 per cent of subjects perceive a difference and at levels of 30 per cent and559above, the proportion rises to 85 per cent and higher.
การแปล กรุณารอสักครู่..
