Stimulus equivalence means alternate wordings or presentations are interpreted the same way. For example, swapping puppet order or rephrasing a line should not change the construct being measured.
In our app, we keep item intent stable by standardizing audio, timing, and visuals. Where variants exist, pilots help verify reliability and validity.
Related
Reliability · Validity · BPI
Peer-Reviewed Research
Longitudinal changes in preschoolers' self-reported psychological and social problems: Feasibility, reliability, and cross-informant agreement
Chan et al., Child Psychiatry & Human Development (2025)
A critical gap in early childhood policies: Children's meaning making
Sabol et al., Translational Issues in Psychological Science (2021)
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