Final answer:
The four categories of strain reactions are psychological, physical, cognitive, and behavioural, covering the various responses to stress encompassing emotional, physical, mental, and action-oriented reactions.
Step-by-step explanation:
The four categories of strain reactions are psychological, physical, cognitive, and behavioural. These categories encompass the different ways individuals may respond to stressors, whether they are work-related or otherwise. Psychological strain can include symptoms like anxiety and depression. Physical strain encompasses physiological responses such as headaches or gastrointestinal problems. Cognitive strain refers to issues with concentration and decision-making. Lastly, behavioural strain involves actions that people may take in response to stress, such as substance use or changes in social behavior.