Mr Schreiber Is Called Out of the Classroom for Several

Mr. Schreiber is called out of the classroom for several minutes. Before leaving, he tells his students to read the next ten pages in the text and answer the questions at the end of the chapter. A minute later, however, several students are talking about sports, other students, and what they're going to do after school. But Jada continues to read and formulate answers to the questions in the text. Jada's behavior is an example of

A) self-efficacy.
B) self-regulation.
C) self-control.
D) self-assessment.