Video-Assisted Emotional Preparation and Emotional Expression During Subcutaneous Procedures in Children With Cancer

Inclusion Criteria: * The child must be between the ages of 3 and 6, * The child must be receiving inpatient treatment at the Pediatric Hematology Clinic, * The child must be scheduled to undergo a subcutaneous procedure related to a leukemia diagnosis * The child and parent must agree to participate in the study and provide written informed consent, * The child and parent must be able to communicate in basic Turkish, * At least one parent (mother or father) must be present with the child during the procedure. Exclusion Criteria: * Development of an acute or unstable clinical condition * The child's discharge or continuation of treatment on an outpatient basis * A single SC procedure performed based on the child's clinical condition * The child has received sedation or a medication causing confusion prior to the procedure * The child has severe vision or hearing problems that prevent video viewing or a structured emotional preparation interview * Another interventional procedure is scheduled for the same day * Withdrawal of informed consent by the child or parent during the process * Difficulty adhering to the study protocol (e.g., discontinuing the procedure or refusing the procedure). * If communication or cooperation issues prevent the completion of research data, the case will be excluded from the study.