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This study builds on our previous studies by verifying that self-control depletion does predict changes in work behaviors incremental to alternative motivation and attention mechanisms.

I have encounter this sentence in a article, and before reading the sentence I have discover several little pitfalls, I failed to understand the grammar structure and I wonder whether this sentence is complete and correct?

And if correct, what does incremental describe? work behaviors? changes in work behaviors? None of this is satisfying.

"This study builds on our previous studies by verifying that self-control depletion does predict changes in work behaviors", looks like a complete sentence, "incremental to alternative motivation and attention mechanisms" make's me confuse.

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In your context (apparently academic psychology text), incremental to means more than. The authors are saying that the theory (self-control depletion) has better predictive power than the other theories.

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  • Thank you, @jonathanjo, Your explanation makes sense. I have search incremental to in bing.com, but no result about the phrase. Now that every thing makes sense.
    – Rui
    Commented May 6, 2019 at 12:35

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