Some longitudinal studies are experiments, called repeated measures design.

A two-year-old experiment called catalogs.google.com has scanned and posted online a large number of mail-order catalogs.

His experiments, as he'd called them when Eve had finally hunted him down three years before.

The new spoken-word experiment, called Gang of Seven, released its first recording in May.

We once had the reasonable excuse of being preoccupied with undertaking the great and unprecedented experiment called democracy.

The 1792 Constitution was seen as an experiment called for a re-evaluation of the document at the end of the century.

And then this failed experiment called existence will cease to be.

The experiment they performed, called bacterial transformation, was deceptively simple.

Unfortunately, that experiment, called Viewtron, proved a financial disaster.