Development and Reliability and Validity Evaluation of a Scale for Cancer Patients' Willingness to Voluntarily Participate in Drug Clinical Trials

Inclusion Criteria:

1. Age 18-80 years old (including boundary values).
2. Tumor patients with clear diagnosis.
3. Whether they finally sign the informed consent form of one drug clinical trial or not, and whether they are finally enrolled in one drug clinical trial or not, patients who have undergone the informed consent process of drug clinical trials conducted by clinicians can be enrolled in this study.
4. Volunteer to participate in this study and sign an informed consent form.

Exclusion Criteria:

1. Patients with unclear consciousness.
2. Patients who are unable to correctly understand and answer questions.
3. Vulnerable subjects include: students and subordinates of researchers, military personnel, prisoners, patients with incurable diseases, patients in critical situations, those admitted to welfare institutions, homeless individuals, minors, and those who are unable to provide informed consent.