This kind of constructive criticism is a positive force that should always be welcomed in the political process.

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Take it as a response, a positive response, to opposition criticism that Labour has done nothing and worse, doesn't know what to do next.

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The criticism was so strong that his positive comments about how the program was faring were overlooked in many media accounts.

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Now that we are seeing some decidedly positive results, I am reminded of the GOP criticism that was leveled at the health care reform effort back when the issue was on the front burner of the national consciousness.

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Wales have a history of sacking coaches in the build-ups to World Cups and - although criticism of Gatland has grown over the past two seasons - pundits have been generally positive in their treatment of the Kiwi.

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When work teams get together, the ratio of positive interactions, such as support and encouragement, to negative interactions, such as disapproval and criticism, should be about 3-to-1 or higher in order to ensure top performance, based on research by Barbara Fredrickson, a psychology professor at the University of North Carolina, Chapel Hill, and others.

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