Question

Mary never liked math and did poorly. when she decided to think ofit as a fun challenge, her performance improved. this is an example ofa change in:mary never liked math and did poorly. when she decided to think ofit as a fun challenge, her performance improved. this is an example ofa change in:mary never liked math and did poorly. when she decided to think ofit as a fun challenge, her performance improved. this is an example ofa change in:mary never liked math and did poorly. when she decided to think ofit as a fun challenge, her performance improved. this is an example ofa change in:mary never liked math and did poorly. when she decided to think ofit as a fun challenge, her performance improved. this is an example ofa change in:mary never liked math and did poorly. when she decided to think ofit as a fun challenge, her performance improved. this is an example ofa change in:

Answer 1

This is an example of a change in perception.
Once she changed the way she looks at the problem, the problem instantly changed, or rather, disappeared, in Mary's case. She doesn't view math as a terrible chore anymore, but rather as a fun challenge, which means that her perception of math changed.