The answer is (c) industrial/ organizational
I-O psychology, or the study of organisational behaviour, is the science of human behaviour. I-O psychology has various names depending on the nation or area of the world. The science and profession of industrial, work, and organisational psychology is known by the larger, more universal title I-W-O psychology.
They study how management systems, training programmes, feedback loops, and recruitment practises can change employee attitudes and behaviours. The work-nonwork interface, such as choosing and adjusting to a new career, retiring, and managing work-family conflict, is also a focus of I-O psychology study and practise.
Cattell was one of the first to recognise the significance of individual differences to better understand work behaviour rather than seeing performance differences as human "errors."
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