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Nice work, guys! I also raised the point about chromatic adaptation from the film clip when we discussed this in a recent workshop. The distributions of data from Experiment 2 are indeed very odd. Have the original authors given any feedback on this?
Some constructive feedback for future experiments: I like the idea of using musical mood inducers. Then the title could be "Seeing the Blues: Does Music-Induced Sadness Affect Color Perception?"
You read it here first.
I'm no expert at this, but I'm not seeing how a point of reference e.g a white background makes it statistically more valid and reliable. I think the focus on Thorstenson et al paper is not psychophysics aka seeing fast, seeing slow (double barrelled physiological assertions that don't make it to cognition-decision level). But on mood. In this instance, I think there needs to be more qualitative parameters. Like mapping "visual heuristics" to mood using Likert scales, algorithms, priors etc. I don't see how watching lots of clips, different stimuli improves experimental design. That might help at the eyeball level for monitioring physiology responses, but watching the Lion King over and over again... you can't be serious. Why not just represent Simba, Pumba, Nala like blobs and beep beep beep circle green and red dots and measure how sick and tired aka angry participants get.