IB Psychology SL Extended Essay Example

You communicate the topic clearly and show why exercise, neurotransmitters, and memory matter psychologically.

Your line of inquiry is purposeful and the section structure gives the reader a clear path through the investigation.

You select a range of relevant human and animal methods that shows thoughtful source choice.

The research question is still broader than the essay can fully answer with precision.

The stated focus shifts at times between neurotransmitter levels and memory-stage outcomes.

The methodology would be stronger if you explained how studies were selected and compared.

You show good subject knowledge by using appropriate biological and psychological terminology.

You usually explain concepts such as LTP, neurogenesis, hippocampal function, and neurotransmitter systems in a way that supports the argument.

You integrate sources into the discussion rather than simply listing them.

Some claims overstate what the studies directly measured.

At times, peripheral measures are treated too confidently as if they directly show central neurotransmission.

A few terms and concepts are used accurately but not always with full precision in relation to the evidence.