Introduction
Every IB student must complete Internal Assessments (IAs), but each subject has unique expectations. A science IA looks very different from a history IA, and a math IA requires skills that don’t apply in literature. Many students mistakenly assume the IA format is the same across all subjects, but examiners grade them using different rubrics and priorities.
In this guide, we’ll compare IA expectations across sciences, humanities, and mathematics, highlight key differences, and share strategies to adapt your approach. To see how top students succeed in different IA subjects, you can study RevisionDojo’s coursework exemplars.
Quick Start Checklist: IA Expectations by Subject
- Science IAs: Experiment design, data collection, statistical analysis, evaluation of errors
- Humanities IAs: Source evaluation, argument development, interpretation, context
- Math IAs: Exploration of concepts, depth of analysis, real-world application
Science IA Expectations
In subjects like Biology, Chemistry, and Physics, examiners expect:
- A clear, testable research question
- Detailed methodology with controlled variables
- Sufficient data collected through multiple trials
- Graphs, tables, and statistical analysis
- Evaluation of errors and limitations
- A conclusion linked directly to theory
Science IAs are judged on how well you design and analyze an experiment.
Humanities IA Expectations
In subjects like History, Geography, and Psychology, examiners expect:
- A focused research question or case study
