Mr Limpitlaw Wants to Increase His Female Students' Self-Efficacy for Mastering

Mr. Limpitlaw wants to increase his female students' self-efficacy for mastering simple car maintenance procedures. He can best do this by:

A) Presenting a film that shows an experienced auto mechanic at work
B) Describing how easily he learned these things when he was their age
C) Having the students read a book with clear, step-by-step instructions for changing the oil and the air filter
D) Having the students watch other girls successfully change the oil and the air filter