The BPSS is a one-dimensional self-report measure that features a 10-item questionnaire assessing parents’ belief in their ability to perform the parenting role successfully for adolescents from 13 to 16 years of age. The response options are presented along a 5-point Likert-type scale for each item. Total score, on a scale of 10 to 50, higher scores indicate a higher degree of parents’ self-efficacy, and lower scores indicate a lower degree of parents’ self-efficacy. It can be administered as a self-report questionnaire in a group setting or individually. The time required to complete the assessment ranges from 5 to 10 minutes. It is a practical and user-friendly assessing scale for parents that could be used in a variety of settings. The same form can be used for both parents.