Joyce recently received a low mark on her mathematics test and attributes it to her inherent lack of mathematical abilities. What is the likely effect of this attribution on Joyce's future behaviour?
a. She will study harder for future maths tests to improve her performance.
b. She will believe that her mathematical abilities are stable and continue to perform poorly in mathematics.
c. She will feel more confident about her mathematical abilities and perform better in future tests.
d. She will seek help from her teacher to understand the topics better and improve her maths skills.