Pearson Edexcel GCSE Psychology Paper 1 2025 Mark Scheme

Get the official Pearson Edexcel GCSE (9–1) Psychology Paper 1 mark scheme from the Summer 2025 exam series (1PS0/01). This downloadable PDF contains the complete examiner-approved answers, assessment guidance, indicative content and level-based marking descriptors used by Pearson examiners to award marks across the full GCSE Psychology Paper 1 examination.

Use this mark scheme to understand exactly how Edexcel awards marks for application, evaluation, data-response and extended 9-mark Psychology answers. The document includes official marking guidance for every section of the paper, including development, memory, psychological problems, neuropsychology and social influence. It also contains examiner commentary, AO1/AO2/AO3 assessment breakdowns and indicative responses for extended essays on depression and behavioural assessment. Pair it with the matching Edexcel 1PS0/01 May 2025 question paper on markscheme.net for full examiner-standard revision and self-assessment. Updated for the 2025/2026 academic year, optimised for mobile and desktop, and instantly downloadable from markscheme.net — your fastest route to top-grade GCSE Psychology revision.

This document is designed for GCSE Psychology students preparing for the 2026 Pearson Edexcel examination series, especially candidates aiming for grades 7–9 in application, evaluation and extended-response writing. It is also highly valuable for retake students, independent learners and home-educated candidates who want to study the exact examiner expectations from the Summer 2025 series.

Teachers, private tutors, revision-course providers and Psychology departments can use this mark scheme to standardise marking, explain assessment objectives and deliver examiner-style essay workshops. Parents supporting revision at home can also use the official marking guidance to identify weaknesses in research-methods analysis, psychological terminology, evaluation structure and scenario-based application skills.