5
votes
2answers
123 views

What is the minimum angle off horizontal before a line visually appears inclined at first glance?

Here is a straight line, which visually looks like a straight line: At first look (lets say minimum 2–3 sec.) the line below looks straight, but after some time you can see that it is actually an ...
3
votes
2answers
66 views

Binary classification as a cognitive strategy?

Is there any research investigating whether the human cognitive system has a tendency to reduce complex systems or spectra of data in terms of binary contrast? There are many common-sense dual ...
5
votes
1answer
241 views

What is the relative importance of shape and color in object recognition?

Do people recognize objects faster when both shape and color are present? Can color introduce more cognitive load to identify the object? Let's say there is a row of icons. Users need to quickly (no ...