Applied Science AAQ - Unit 4 PSAB changes | Pearson qualifications

Applied Science AAQ - Unit 4 PSAB changes

Tue Sep 09 10:46:00 UTC 2025

We would like to inform you that the PSAB (Pearson Set Assignment Brief) documents available on our qualification webpage have recently been updated. This change is part of our ongoing commitment to provide you with the most current and relevant information.

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Unit 4 PSAB - What's changed

The PSAB documents have been revised, you can now access the updated versions directly on our qualification webpage.

Download the PSABs

A summary of the changes has been provided below:

Section of the PSAB

Addition/Clarification

General Equipment List

List has been expanded to include voltmeter, ammeter, multimeter, ohmmeter, solar cell/module (3-5V), solar electric motor

Conditions of assessment

Further clarification of supervision requirements has been provided

Task 2

Option for alternative solution in colorimetry, not limited to starch solution

Task 3a

Clarification of methodology.

Changes to temperature intervals, tangent point requirements, and clarification around calculations required.

 

Changes to cooling curve requirements, introduction of ratio rate of cooling.

Task 3b

Two methods have been provided for measuring resistivity for added clarification.

 

Clarification of graph requirements.

Task 3c

Clarification of practical requirements, and separation of practical components.

 

Clarification of minimum voltage for motor practical.

Action Required

We encourage you to review the new documents to ensure you are referencing the most up-to-date information for your qualification needs.

If you have any questions or require assistance, please do not hesitate to contact our support team.

Thank you for your attention to this update and for your continued trust in our services.

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