The sample of the study will be the parents of children who have had hematopoietic stem cell transplantation at Akdeniz University Hospital and whose discharge is planned (n=20).

The control group will be the parents of children who underwent hematopoietic stem cell transplantation at Akdeniz University Hospital and are planned to be discharged (n=20). Participants in this group will receive routine care, and at the end of the study, training program will be applied.

IBK-EBP will be administered to parents in six sessions in six days. After six days of training, the mobile application will be used by parents for 8 weeks. The frequency of use of the mobile application will be left entirely to the needs of the parents and reminders will be made through the mobile application. In addition, the video used during the face-to-face training, progressive relaxation exercise videos and motivational sentences will also be included in the mobile application.

There are 13 questions in the questionnaire prepared in line with the literature. The questions will be answered as "strongly agree", "agree", "undecided", "disagree", "strongly disagree".

Generalized Self-Efficacy Scale, developed by Schwarzer and Jarusalem (1995) and validated in Turkish by Aypay (2010), consists of 10 items in total. The response category is a 4-point scale and is scored as "Totally wrong = 1 point", "Slightly correct = 2 points", "Moderately correct = 3 points", "Totally correct = 4 points". There is no inverse item and cut-off point in the scale. The lowest 10 and the highest 40 points are taken from the scale. It is interpreted as "perceived self-efficacy increases as the scale score increases".

The Caregiver Quality of Life Index Cancer Scale (CQOLC), developed by Weitzner et al. (1999), aims to measure caregivers' quality of life, including their physical, emotional, familial and social functions. The total score of each sub-dimension and scale in the scale ranges from 0 to 140. In the scale, financial distress, discomfort sub-dimensions and some questions consist of reversed statements. The scale contains a total of 35 items.

It consists of 2 subscales, namely state and trait anxiety. State Anxiety Sub-Scale (STAI-S), an individual's at a certain time and under certain conditions; The Trait Anxiety Subscale (STAI-T) usually requires a description of how one feels. The inventory is answered via 4-point scales. The emotions and behaviors expressed in the items of the State Anxiety Sub-Scale are indicated by choosing one of the options "(1) Not at all, (2) A little, (3) A lot and (4) Completely" according to the severity of such experiences. Emotions and behaviors expressed in Trait Anxiety Sub-Scale items are according to their frequency levels; It is marked as (1) Almost Never, (2) Sometimes, (3) Often, and (4) Almost Always.

Watson is a form developed by Watson et al. (2010) to evaluate IBC-based nursing care. This satisfaction form is not a scale. The form consists of six questions in total. The first five questions are scored between 1 and 7, and are evaluated as never (1) and always (7). The sixth question is in the form of an open-ended question in which the "moments of care" in the given nursing care are evaluated.