Pre- and post-intervention observation data on cognitive skills in early childhood education children: control and experimental groups

The study assessed the effect of [name of the intervention, e.g., a program based on playful/didactic activities] on cognitive skills in early childhood education children in [school/city, country] during [period/year].</p><p dir="ltr">Participants: 50 children (control group n = 25, codes P001–P025; experimental group n = 25, codes P026–P050).

The file records each child's sex (M/F) and group assignment.</p><p dir="ltr">Instrument: a structured observation checklist of 18 items scored on a 5-point Likert scale (1 = Never, 2 = Almost Never, 3 = Sometimes, 4 = Almost Always, 5 = Always). The items cover four dimensions:</p><ul><li>Attention and Concentration (5 items)</li><li>Memory (5 items)</li><li>Language and Communication (4 items)</li><li>Logical Thinking (4 items)</li></ul><p></p>