When dealing with a new client, the clinical practitioner's major focus is to gather which type of information?

A) Diagnostic
B) Nomothetic
C) Idiographic
D) Objective

The major focus for a clinical practitioner when dealing with a new client is to gather idiographic information, which pertains to the unique, personal aspects of the individual's life and experiences. This helps in understanding the client's specific situation, needs, and personality, enabling tailored treatment or intervention.