A weakness of dispositional explanation is the F-scale used to measure authoritarian personality has been criticised for being culturally biased and methodologically flawed. It was developed in a Western context and reflects middle-class, American values, making it less applicable to other cultures. Additionally, the F-scale is prone to response bias, as participants can give socially desirable answers to avoid social rejection. This undermines the validity of the findings and the usefulness of the authoritarian personality as a universal explanation for obedience.