It often involves comparing various options, using economic appraisal or some other decision analysis technique.

The only online component of the game involves comparing high scores with other players.

One method used involves comparing placebo or common factor control groups to treatment groups.

The data were particularly important, he said, because almost all research on memory and aging involves comparing a younger group with an older group.

This procedure involves comparing the ratio of two models.

The work involved comparing genetic material from affected and unaffected family members.

A complete exam involves comparing the knees to one another.

Change detection often involves comparing aerial photographs or satellite imagery of the area taken at different times.

A full accounting would involve comparing these costs.

It is a covert elimination process that involves comparing all available alternatives by aspects.