2 of 41 checkable references need attention · checked 2026-08-03
At the dated check, the references listed below either did not resolve in
Crossref or DataCite, or carried a retraction notice. Each one is shown with the
registry record that put it there.
7 without a DOI — not checked. A reference
deposited without a DOI is never matched by title or guessed at; it stays outside the checked
set, and this line discloses that.
References needing attention
marked retracted — notice via Crossref, record curated by Retraction Watch10.1001/jamapediatrics.2013.82
RETRACTED: Preordering School Lunch Encourages Better Food Choices by Children
marked retracted — notice via Crossref, record curated by Retraction Watch10.1016/j.ypmed.2012.07.012
RETRACTED: Attractive names sustain increased vegetable intake in schools
Experimenter demand effects in economic experiments
The 7 references without a DOI — listed, not checked
no DOI — not checkedref3
no DOI — not checkedCharitable Giving as a Gift Exchange-Evidence from a Field Experiment
no DOI — not checkedThe economics of fairness, reciprocity and altruismexperimental evidence and new theories. Handbook of the economics of giving
no DOI — not checkedPutting behavioral economics to work: Testing for gift exchange in labor markets using field experiments
no DOI — not checkedClinical guidelines on the identification, evaluation, and treatment of overweight and obesity in adults
no DOI — not checkedThe influence of a verbal prompt on school lunch fruit consumption: a pilot study
no DOI — not checkedIt has less sugar, which is better for you! I'm going to pass out these cards that tell you about the benefits of lowering the sugar in your drinks. Please return these cards in the lunchroom after you go through the lunch line. If you do not want to participate, you do not have to. Ok lets go. Gift Before we go for lunch today, I want to share with you a fact about healthy eating. Every day in the lunchroom, you get a choice between chocolate milk and plain white milk. One way to stay healthy is to choose white milk instead of chocolate. It has less sugar, which is better for you! I'm going to pass out these cards that tell you about the benefits of lowering the sugar in your drinks. Also, just as a thank you for choosing healthy today, everyone will get a sticker (pass out stickers). we go for lunch today, I want to share with you a fact about healthy eating. Every day in the lunchroom, you get a choice between chocolate milk and plain white milk. One way to stay healthy is to choose white milk instead of chocolate. It has less sugar, which is better for you! I'm going to pass out these cards where you can write down your goal to drink white milk today. Please decide whether you will make a goal or not. You should mark it down with a pen or pencil BEFORE we go down for lunch. know? Every day in the lunchroom, you get a choice between chocolate milk and plain white milk. One way to stay healthy is to choose white milk instead of chocolate
What this badge says. CiteStamped means the CHECKABLE references of this
work were clean at the dated check: each resolved to a known work in a public registry, and none
carried a retraction notice at that time. It says nothing about the quality, findings,
or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-08-03 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.