Indivdual data: Experiment results



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Indivdual data:

Experiment results


Data summary for experiment Muller-Lyer Illusion. 2012-09-25 09:44:45 Atlantic Daylight Time

The graph below plots the proportion of trials you chose the vertical line without wings as bigger than the line with wings. The line with wings was always 100 pixels long. The x-axis gives the pixel length of the line without wings. The Muller-Lyer illusion is that the line with wings appears to be longer than a line without wings. Typical data shows that proportions are close to zero on the left and increase toward one on the far right. If there was no illusion, the line would be at approximately 0.5 for a line without wings length of 100 pixels. Evidence of the illusory effect would be when the 0.5 proportion is for a pixel length greater than 100 pixels.



If the effect exists, it may be stronger for the group or global averages than for your individual data.



Data summary

Size of line without wings (pixels)

Proportion of line w/o wings bigger

85.0

0.0

88.0

0.0

91.0

0.1

94.0

0.0

97.0

0.0

100.0

0.0

103.0

0.1

106.0

0.1

109.0

0.3

112.0

0.6

115.0

0.7

118.0

0.8

121.0

0.7

124.0

0.9

127.0

0.7

Group data


Data summary:


Statistics are based on 95 participants.


Averages across participants


Size of line without wings (pixels)

Proportion of line w/o wings bigger

85.0

0.0

88.0

0.0063157897

91.0

0.012631579

94.0

0.016842104

97.0

0.034736842

100.0

0.08421053

103.0

0.13052632

106.0

0.19157895

109.0

0.3336842

112.0

0.4631579

115.0

0.6157895

118.0

0.7147368

121.0

0.81473684

124.0

0.891579

127.0

0.91894734

Standard deviations across participants


Size of line without wings (pixels)

Proportion of line w/o wings bigger

85.0

0.0

88.0

0.028473677

91.0

0.03925396

94.0

0.047607955

97.0

0.09198569

100.0

0.1518088

103.0

0.19134112

106.0

0.2156944

109.0

0.28307226

112.0

0.2625783

115.0

0.26987618

118.0

0.22736624

121.0

0.20209984

124.0

0.13812049

127.0

0.13312507


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