The magnetron emitted microwaves into the metal box blocking any escape, allowing for controlled and safe experimentation.

This may be more or less sophisticated, ranging from a simple, "I saw" to carefully designed controlled experimentation.

Study and classification of ghosts and poltergeists is regarded as pseudoscience because it does not use a system of controlled experimentation or scientific method.

Yet how many mainstream publishers have Web page software that allows for such controlled experimentation?

Natural experiments are considered for study designs whenever controlled experimentation is difficult, such as in many problems in epidemiology and economics.

NDM and controlled experimentation are thus complementary approaches.

It is not so common for them to understand the sort of controlled and recorded experimentation on which science is based.

Still other models predict behavior in hybrid micellar systems using equations or modeling behavior based on controlled experimentation.

Whenever possible, social psychologists rely on controlled experimentation.

In lab settings, scientists are able to perform controlled experimentation on the learning capabilities and behavioral patterns of the animals.