The two time periods tested whether people were more likely to act differently in the short term than in the long term.

VOA: special.2009.03.03

More than eight hundred children were ages two to four the first time they were tested.

VOA: special.2009.10.21

He says that sends an important signal to the world at a time when the Iraqi government is being tested at home.

VOA: standard.2009.11.08

He tested the free-diving self-propelled submersible - one of only two in existence at the time - on increasingly deep dives off the California coast.

VOA: standard.2010.06.21

By the time Bildt and Czech Foreign Minister Jan Kohout finished meeting with the Burmese, North Korea announced it had tested a second nuclear bomb.

VOA: standard.2009.05.25

Take Love Easy is by far her most adventurous album to date, as she alternates between pages from the Great American Songbook and time-tested rock tunes by Bruce Springsteen, Joni Mitchell and Paul Simon.

VOA: standard.2009.12.23