Mia has heard that girls aren't good at math. She got a bad grade on a math test and assumed it must mean that, like other girls, she's not good at math. She began to feel intimidated by math and avoided studying or doing her homework, so her grades began to suffer. This is an example of:

Which types of documents help convince potential clients to purchase a company's service or product?

a. Sales proposal b. Memo c. Correspondence d. Progress report

Maria and Tom both felt good about their relationship in the beginning, but lately both of them have felt insecure and tired of spending most of their time arguing. Both Maria and Tom ask themselves,

"Am I better off or worse off if I leave my partner?" If Maria and Tom are considering a relational breakup based on rewards or costs, explain which theory can explain their situation. What will be an ideal response?