IB Psychology SL Internal Assessment Example

The student states a focused aim and explains why it matters in a real educational context.

The student connects the investigation clearly to levels of processing theory and the self-reference effect.

The student identifies and operationalizes the independent and dependent variables clearly in the hypothesis.

The null hypothesis wording could be tightened so it matches the operational comparison more precisely.

A few phrases are slightly imprecise, so the hypothesis section would benefit from sharper academic wording.

The student explains why a laboratory experiment is appropriate for controlling extraneous variables.

The student describes the sampling method, sample size, age range, and participant context clearly.

The student justifies several controls and materials choices by linking them to reliability and confounding variables.

Some design choices are described well but could be explained more deeply in terms of why they improve the investigation.

The rationale for certain materials and sample decisions could be more fully developed, especially where convenience choices affect generalisability.