Clinical psychologists are most likely to be involved in

The correct answer is Providing therapy to troubled people.

Explanation:

Clinical psychologists engage in multiple activities but mainly they focus on the research in assesment and causes of mental illness and other psychological conditions and illness, and also they focus on the treatment of the troubled people via clinical therapy in which they specialize. Therefore clinical psychologists are most likely to be involved in providing therapy to this troubled people that suffer from mental or psyche related illness.