BDI-SF， The full name is Beck Depression Inventory - Short Form, which is a shortened version of the Beck Depression Inventory. The initial BDI scale consisted of 21 items, and later Beck introduced a 13 item version, BDI-SF, in 1974 to meet the assessment needs of patients with varying degrees of depression. This test is based on this brief version.

Welcome to participate in the 'Professional Personality Test Based on the Rand Corporation Psychological Test', which is a unique experience to gain a deeper understanding of one's professional personality. This test is based on the classic psychological test questions of RAND Corporation in the United States, and carefully adjusted and optimized in combination with the psychological characteristics of Chinese people, aiming to provide participants with an accurate and reliable professional personality assessment tool.

Welcome to participate in the "Ennis Depression Checklist (BDC)" test, which is an important step towards gaining a deeper understanding of one's own psychological state. The Burns Depression Checklist (BDC) is a self diagnostic tool designed by Dr. David D. Burns, a new generation of psychotherapist from the University of Pennsylvania in the United States, aimed at helping people quickly assess whether they have symptoms of depression.

The Rosenberg Self Esteem Scale consists of 10 declarative statements, and participants need to choose the degree of applicability on a four point scale based on their own feelings and opinions. This scale is concise, easy to score, and can directly reflect an individual's positive or negative feelings towards themselves. The simplicity and high reliability of SES have been validated in extensive research and widely applied to explore the relationship between self-esteem and mental health, interpersonal relationships, academic achievement, and other aspects.

Welcome to participate in the Social Avoidance and Distress Scale (SAD) test, which is a valuable opportunity to explore one's own social behavior in depth. The Social Avoidance and Distress Scale (SAD) is a psychological assessment tool aimed at evaluating an individual's tendency to avoid social situations and the accompanying feelings of distress. Avoidance is a behavioral manifestation in which individuals choose to avoid or refrain from participating in social situations; Distress is an emotional response, referring to the discomfort, anxiety, or pain that an individual feels when actually participating in social activities.

The GSES scale was developed by German psychologist Professor Ralf Schwarzer and his colleagues in 1981 and has been translated into multiple languages and widely used internationally. This scale consists of 10 items, covering aspects such as effort, talent, environment, goal achievement, and self expectation. Each project is evaluated using a Likert 4-point scale, ranging from 'completely incorrect' to 'completely correct'. The higher the total score of the scale, the stronger the individual's general self-efficacy.

The Novak Anger Scale is not used for diagnosis, but rather as a self-assessment tool, derived from the book "Getting Out of Despair: Psychologists Teach You to Get Rid of Depression". It provides a framework for you to reflect and evaluate your anger response. Through this scale, you can better understand your emotional reactions when faced with provocation, and take appropriate measures to manage your anger.

Welcome to participate in the PDP Animal Personality Test, which is a professional journey to deeply explore one's own personality traits. The PDP personality test, also known as Professional DynaMetric Programs, has become a widely recognized personality analysis tool worldwide since its development in the United States in 1978. After 35 years of development, this test has been applied in 34 countries, serving over 16 million people and continuously adopted by more than 5000 enterprises, research institutions, and government organizations to optimize human resource management and team collaboration.