The couple decided to opt for AID, artificial insemination by donor, as a method to conceive.

Many couples use the rhythm method as a natural form of birth control.

Positivism is a philosophical theory that emphasizes the importance of empirical evidence and scientific methods.

Operations research is a scientific method used in business management and military operations.

Amplitude modulation is a method of broadcasting that involves varying the amplitude of a carrier wave.

Crop spraying is an effective method to protect crops from pests and diseases.

The teacher used didactic methods to teach the students important life lessons.

The shift from traditional teaching methods to online learning is a paradigm shift in education.

Gravimetric analysis is a method used to determine the concentration of a substance by measuring its weight.

I attended a free university that was run by students and offered unique courses and methods.