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5.3.5 - Developmental research evaluation

Syllabus
2026
Objective
5.3.5
Level
A2

- Developmental research evaluation

5.3.5 Evaluation of research in developmental psychology:; issues of reliability, validity, generalisability, credibility, objectivity, subjectivity, ethics and practical application of findings as appropriate.

Use - developmental research evaluation to connect the rule to the data and decision in the question.

This matters because - developmental research evaluation determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply - developmental research evaluation to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: - Developmental research evaluation is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.

ConceptA-Level Edexcel Psychology A2