Complex sentence: According to one school of thought, differences in individual characteristics such as personality and coping skills are most important in predicting whether certain job conditions will result in stress-in other words, what is stressful for one person may not be a problem for someone else.
Split into simpler sentences: According to one school of thought, differences in individual characteristics such as personality and coping skills are most important in predicting whether certain job conditions will result in stress. In other words, what is stressful for one person may not be a problem for someone else.