Another counterpoint for 1

A further limitation of Maguire's findings resulted from the _____________ she used

Biased sample

All participants were male, …

Taxi drivers and Londoners

There was also only a ___________ of participants so it could be argued findings on plasticity of the brain are ________________ of male taxi drivers from London

Small number

Only representative

The findings of Maguire's study lack ______________ as they cannot be generalised safely to anyone else or ___________ and so they tell us nothing about brain plasticity in any other individual

Population validity

Other cultures