In the second test Pickens had to judge the length of lines and the relative distance between lines and dots.

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The summative test therefore has to be a certain length so that it can collect such statistically valid information.

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The original plan was for a two-and-a-half-minute test tomorrow, cut last week to the 30-second length.

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Harmison was still out of sorts and began with a mixed bag of decent-length deliveries and poorly directed long-hops, one of which Ganga cut to reach 2, 000 runs in Test cricket.

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