IB Psychology HL Internal Assessment Example

The investigation aim is focused, specific, and clearly justified in relation to real-world eyewitness testimony.

The theory is accurately explained and explicitly connected to the manipulation, showing strong conceptual understanding.

Both variables are operationalized clearly in the hypothesis, making the study testable and precise.

A slightly tighter phrasing of the practical significance could make the opening even more concise, though this does not weaken the criterion overall.

The research design is clearly explained and appropriately justified for the aim of the study.

The sampling method and participant characteristics are described in enough detail to judge the sample’s nature and limitations.

Controlled variables and materials are not just listed but linked to why the procedure supports a fair test of the hypothesis.

Some ethical and procedural points could be explained more fully, especially how protections were implemented in practice.

A few methodological claims would be even stronger if they were phrased more precisely, such as the limits of what independent measures can control.