Researchers also observed problems resulting from pairing interracial students in residences.

Experts observe that textbooks come in layers, something like an onion.

Some communities have agreed to share online—geneticists, for example, post DNA sequences at the GenBank repository ( ' , 庫), and astronomers are accustomed to accessing images of galaxies and stars from, say, the Sloan Digital Sky Survey, a telescope that has observed some 500 million objects—but these remain the exception, not the rule.

Teenagers' mental problems are often too conspicuous not to be observed.

At home, children usually learn about gender differences by observing and imitating their parents' behavior.

By observing how students use the gadgets, he said

Two friends of mine observe an "Internet sabbath（安息日）"every week, turning off their online connections from Friday night to Monday morning.

The exact?method it uses is unclear; the company does not allow outsiders to observe the process.

His ideas forced a reexamination of the early leadership?paradigm?(范例), which he observed centered on traits found in the character ethic and the personality ethic.

Men who observe traditional masculine norms are said to derive less satisfaction from their relationship with partners.

Drop in bias Brian Nosek of the University of Virginia in Charlottesville, who runs a website that measures implicit bias using similar test, has also observed a small drop in bias in the 700,000 visitors to the site since January 2007, which might be explained by Obama's rise to popularity

In a study, Schwartz observed decision-making among college students during their senior year.

In 2005, as the authors observe, real consumption per person in France was only 60% as high as the U.S., making it appear that Americans were economically much better off than the French on average.