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. 2014 May 15;14(5):8577–8604. doi: 10.3390/s140508577

Table 3.

The measured Cohen's d between two factors that cause eyestrain with the results of Table 1.

Two Factors Cohen's d Effect Size
CSD vs. SD Average Correlation Coefficient 1.5145 Large
Average Gradient 1.5843 Large

CSD vs. FCE Average Correlation Coefficient 0.3860 Medium
Average Gradient 0.3345 Small

CSD vs. EC Average Correlation Coefficient 0.3307 Small
Average Gradient 0.4573 Medium

SD vs. FCE Average Correlation Coefficient 1.2650 Large
Average Gradient 1.3892 Large

SD vs. EC Average Correlation Coefficient 0.8460 Large
Average Gradient 0.9303 Large

FCE vs. EC Average Correlation Coefficient 0.0811 Small
Average Gradient 0.2091 Small