AQA GCSE · Question 12.1 · Cognition and Behaviour

Read the following information.

A teacher carried out an experiment to investigate factors that can affect perception. She divided her class into two groups: A and B.
Group A was shown nine different pictures of rabbits.
Group B was shown nine different pictures of ducks.
Both groups were then shown an ambiguous image (Figure 1, the duck-rabbit) and were asked what animal they saw.

The results are shown in Table 1.

Table 1: The type of animal seen by participants

Animal	Group A	Group B
Rabbit	11	2
Duck	3	13
Other	1	0

Calculate the percentage of students in Group B who saw Figure 1 as a rabbit. State your answer using two significant figures and show your workings.