IB Psychology SL Internal Assessment Example

The student clearly states the aim and explains why it matters both scientifically and in everyday life.

The student's theory section shows a strong understanding of the multi-store memory model and links it directly to the investigation.

The student's hypotheses are operationalized well, with clear independent and dependent variables.

The student's explanation of forgetting would be stronger if they acknowledged alternative mechanisms such as interference rather than treating decay as the only explanation.

A little more precision in the wording of the theoretical link would make the introduction even sharper.

The student explains the repeated-measures design well and shows why it suits the investigation.

The student justifies participant choice and sampling in relation to accessibility and ethics.

The student identifies important controls and shows awareness of how the setup supports consistency.

The counterbalancing procedure is not described precisely enough for another researcher to reproduce it confidently.

The distractor task is not fully standardized, which weakens control over the retention interval.

Some procedural details need greater precision to improve replicability.