They found that people with bipolar disorder scored better -- up to about 50 percent higher -- on creativity tests than the healthy control group.

CNN: Experts ponder link between creativity, mood disorders

When students were given creativity tests, those whose test-cover pages had a green background gave more creative answers than those whose pages were white, blue, red or gray.

WSJ: Tactics to Spark Creativity

The text message format puts a limit of 160 characters on each poem, which tests the ingenuity and creativity of the poets.

BBC: Love poem wins phone poetry prize

Critics, including many authors, had complained that the English Sats tests were killing children's natural creativity.

BBC: School Sats review: Lord Bew calls for more creativity

That's why experts urge schools to give students with dyslexia extra time on tests, waive foreign language requirements and grade separately for creativity and spelling.

WSJ: Dyslexia Workarounds: How Henry Winkler, Gov. Dan Malloy, Delos Cosgrove Got Creative to Get Ahead

People who rate high in openness to new experiences in personality tests also may be more distractible and curious, according to a 2010 study in Creativity Research Journal.

WSJ: Tactics to Spark Creativity