Are results in different positions ranked by different algorithms?

Do Google use the same algorithm to rank all the results on page 1, or different algorithms for a wider variety in the results? (Pos. 1-3 – primary focus on freshness Pos. 4-6 – primary focus on backlinks Pos. 7-10 – primary focus on social signals)
Jacob Worsøe, Denmark

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What’s it like to fight webspam at Google?

 

What is a day in the life of a search spam team member like? What is the evolution of decisions in terms of how they decide which aspects of the search algorithm to update? Will certain things within the algorithm never be considered for removal?
Brian Harnish, Westminster, CA

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