Table 1.

Disclosures

	Yes	No
Can you document (with data contract or something similar) that all team members have never had any exposure to the data before the preregistration was created?		X
Do you assert, even if no verifiable evidence exists, that all team members have never had any exposure to the data before the preregistration was created?		X
Do you assert that the author of the preregistration document did not have any exposure to the data before the preregistration, even if some co-authors have worked with the data?	X
Do you assert that the authors of the paper have had no exposure to the primary variables (including calculating descriptive statistics) in the analyses, even if they have worked with other variables from the same sample?		X
Do you assert that the authors of the paper have had no exposure to one or more primary variables (including calculating descriptive statistics), even if they have worked with some of the primary variables?		X
Do you assert that the authors of the paper have had exposure to all the primary variables, but that they have never done any analyses that examined their associations?	X
Does the primary analysis involve data from new waves of assessment that have never been analyzed (even if similar variables from prior waves had been examined by study authors)?	X
Have authors had exposure to variables in the same dataset that might be expected to correlate relatively strongly with those used in the primary analysis for this paper (e.g., depression and loneliness; self-esteem and life satisfaction)?	X
Are you analyzing data from a subset of participants (e.g., a hold-out sample) who you have not studied before?		X