Expectation (Factor affecting perceptual set)

Question 1

expectations

Answer 1

belief about what will happen based on past experiences

Question 2

Aim: Burner and Minturn

Answer 2

to investigate how expectations can inform our perceptions

Question 3

Method: Burner and Minturn

Answer 3

(24 ppts) letters or numbers were flashed up on a screen at first quicker than the eye could see and then it decreases 20 milliseconds at a time. Group A was shown numbers and then test stimulus B and then they were shown letters and then test stimulus B. Group A did the same thing but counterbalanced (repeated measures)

Question 4

Results: Burner and Minturn

Answer 4

The ppts who had been shown numbers drew the figure as 13 and those shown letters wrote the figure as B.

Question 5

Evaluations: explains the errors people make in the real world

Answer 5

As Gregory argues we come up with a hypothesis on what we are seeing. This means that context and expectations are very important in making decisions in the real world. Furthermore, it challenges Gibson’s theory that the same perceptual rules apply in every situation.

Question 6

Evaluations: Exp used volunteer sampling

Answer 6

As ppts were keen and enthusiatic