The question asks about a therapeutic method where an individual is encouraged to find the reasons behind their behavior. Let's examine the given options to determine which one best fits this description.

Understanding Individual Psychotherapy

Individual psychotherapy, often simply called therapy or counseling, is a process where a trained therapist helps a single person work through personal challenges, understand their thoughts and feelings, and explore the underlying causes of their behaviors. A key aspect of many forms of individual psychotherapy, especially those rooted in psychodynamic or psychoanalytic traditions, involves exploring past experiences, relationships, and unconscious processes to gain insight into current behavioral patterns and difficulties. This process directly aligns with the idea of encouraging the individual to discover the reason for his behaviour.

Comparing Therapy Methods

Let's look at how the other options compare:

• Behavioral therapy: This approach primarily focuses on changing observable behaviors. It works by identifying problematic behaviors and using techniques like conditioning to replace them with more adaptive ones. While understanding the triggers or functions of behavior is involved, the core focus is on modifying the behavior itself, not necessarily discovering deep underlying reasons in the way the question implies.
• Cognitive therapy: This type of therapy focuses on identifying and changing negative or unhelpful thought patterns (cognitions). The belief is that distorted thinking leads to negative emotions and behaviors. The emphasis is on restructuring thoughts, not necessarily exploring the historical or unconscious roots of behavior.
• Crisis intervention: This is a short-term, immediate support process aimed at helping individuals in acute distress or crisis situations. The goal is to stabilize the person, ensure safety, and provide coping strategies for the immediate situation, not to conduct a deep exploration of the reasons for long-standing behavioral patterns.

Based on the descriptions, individual psychotherapy is the method most directly aimed at helping an individual explore and discover the underlying reasons, motivations, and origins of their behavior.

Conclusion

The method that focuses on helping an individual explore and understand the reasons behind their actions and feelings, often through self-discovery facilitated by a therapist, is individual psychotherapy.