Thanks for taking this brief online survey to help us assess the value of methods videos in selected Science articles.

First, we'll ask you a few questions from the point of view of a user of Science articles. After that, we'll ask a couple of questions from the point of view of an author.

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* 1. Did you watch the video to the end?

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* 2. Overall, how valuable did you find this feature?

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* 3. Was the video helpful to you in understanding the experiments performed in the article?

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* 4. Did watching the video affect your assessment of the authors’ techniques or findings?

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* 5. Did watching the video clarify any steps of the experimental procedure that were unclear in the text?

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* 6. Please describe generally how you might use this video and the methods description in the paper (including supporting online material) if you were interested in reproducing or evaluating this work.

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* 7. What do you think were the two biggest strengths of this particular video?

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* 8. What do you think were the two biggest weaknesses of this particular video?

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