The learning experience at any level should challenge the ideas and beliefs of the students.

It really challenges beliefs about what an American cowboy looks like.

They also challenge the belief that a choice must be made between esthetic and social value.

This inability challenges the general belief that moral behavior is learned.

The theory challenged traditional beliefs that "privacy" was a rather personal process.

Nevertheless, the discovery of classical philosophy and science would eventually challenge old beliefs.

The discovery challenges the widely held belief that modern human behaviour began only 45,000 years ago.

The important thing is that by challenging common beliefs about nudity, we give ourselves a choice.

This challenged the belief held at that time that no recovery would occur after one year.

This challenges the common belief in existence of a fixed maximal human life span.