One-on-one instruction provides an ideal academic environment tailored to the individual student's needs. It allows for high-quality interaction between the teacher and student, where the teacher can closely monitor the student's understanding and adapt lessons accordingly. According to the document, constructivism and cognitivism theories support one-on-one learning, emphasizing that students generate knowledge through experience and prior knowledge plays an important role. The document also discusses 17th century physician Dr. Franciscus de la Boe, who pioneered taking medical students on individual visits to patients, and cites the close observation and trust in a one-on-one relationship.