Are there Hawthorne-like participation effects in oral-hygiene research? Evidence from longitudinal plaque mapping.
Ganss C; Jung K · 2026 · Journal of dentistry
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Objectives To investigate Hawthorne-like research participation effects on toothbrushing-related plaque outcomes. The data source was a longitudinal flossing study without toothbrushing instruction. Methods This secondary analysis used…
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Metadata source: Europe PMC · DOI 10.1016/j.jdent.2026.106721