The online parenting intervention consists of a newly developed parenting program, including rational emotive behavioral therapy and schema therapy principles

SDQ - Strengths and Difficulties Questionnaire "Goodman R, Meltzer H, Bailey V (1998) The strengths and difficulties questionnaire: "a pilot study on the validity of the self-report version. Eur Child Adolesc Psychiatry 7:125-130"

The Child and Adolescent Scale of Irrationality "Bernard ME, Cronan F (1999) The child and adolescent scale of irrationality: validation data and mental health correlates. J Cogn Psychother 13:121-132"

SDQ - Strengths and Difficulties Questionnaire "Goodman R, Meltzer H, Bailey V (1998) The strengths and difficulties questionnaire: "a pilot study on the validity of the self-report version. Eur Child Adolesc Psychiatry 7:125-130"

The Cognitive Emotion Regulation Questionnaire - Short (Garnefski & Kraaij, 2006) is an 18-item self-report scale that measures a total of nine different cognitive coping strategies, each addressed by two items.

The Parenting to Reduce Adolescent Depression and Anxiety Scale (PRADAS; Cardamone-Breene et al., 2017) is a 79-item self-report measure of parenting practices. The instrument comprises nine subscales (6-12 items each), corresponding to nine sets of parenting practices that are part of the national Australian guidelines for helping reduce depression in children and adolescents. Most items are scored on a Likert scale measuring the frequency of distinct parenting behaviors (never, rarely, sometimes, and often).

The Parenting to Reduce Adolescent Depression and Anxiety Scale (PRADAS; Cardamone-Breene et al., 2017) is a 79-item self-report measure of parenting practices. The instrument comprises nine subscales (6-12 items each), corresponding to nine sets of parenting practices that are part of the national Australian guidelines for helping reduce depression in children and adolescents. Most items are scored on a Likert scale measuring the frequency of distinct parenting behaviors (never, rarely, sometimes, and often).

The Parenting to Reduce Adolescent Depression and Anxiety Scale (PRADAS; Cardamone-Breene et al., 2017) is a 79-item self-report measure of parenting practices. The instrument comprises nine subscales (6-12 items each), corresponding to nine sets of parenting practices that are part of the national Australian guidelines for helping reduce depression in children and adolescents. Most items are scored on a Likert scale measuring the frequency of distinct parenting behaviors (never, rarely, sometimes, and often).

The Profile of Emotional Distress (PED; Opris & Macavei, 2005) is a is a 40-item self-report instrument measuring functional and dysfunctional negative emotions based on Albert Ellis's binary model of distress, as well as positive emotions. The negative emotion subscales include two dysfunctional emotion dimensions (anxiety and depression) and two functional counterparts (concern and sadness). Responders are asked to assess the degree to which they have experienced each emotion during the previous two weeks, based on a five-point Likert scale ranging from "Not at all" (0) to "Extremely" (4).

The Profile of Emotional Distress (PED; Opris & Macavei, 2005) is a is a 40-item self-report instrument measuring functional and dysfunctional negative emotions based on Albert Ellis's binary model of distress, as well as positive emotions. The negative emotion subscales include two dysfunctional emotion dimensions (anxiety and depression) and two functional counterparts (concern and sadness). Responders are asked to assess the degree to which they have experienced each emotion during the previous two weeks, based on a five-point Likert scale ranging from "Not at all" (0) to "Extremely" (4).

The Profile of Emotional Distress (PED; Opris & Macavei, 2005) is a is a 40-item self-report instrument measuring functional and dysfunctional negative emotions based on Albert Ellis's binary model of distress, as well as positive emotions. The negative emotion subscales include two dysfunctional emotion dimensions (anxiety and depression) and two functional counterparts (concern and sadness). Responders are asked to assess the degree to which they have experienced each emotion during the previous two weeks, based on a five-point Likert scale ranging from "Not at all" (0) to "Extremely" (4).

The Profile of Emotional Distress (PED; Opris & Macavei, 2005) is a is a 40-item self-report instrument measuring functional and dysfunctional negative emotions based on Albert Ellis's binary model of distress, as well as positive emotions. The negative emotion subscales include two dysfunctional emotion dimensions (anxiety and depression) and two functional counterparts (concern and sadness). Responders are asked to assess the degree to which they have experienced each emotion during the previous two weeks, based on a five-point Likert scale ranging from "Not at all" (0) to "Extremely" (4).

The Parent Rational and Irrational Beliefs Scale (P-RIBS; Gavita, DiGiuseppe, David & DelVecchio, 2011) is a 24-item measure of rational and irrational evaluative processes in parents regarding child behavior and the parent role. Items are assessed on a 5- point Likert scale, from "Strongly disagree" (1) to "Strongly agree" (5).

The Parent Rational and Irrational Beliefs Scale (P-RIBS; Gavita, DiGiuseppe, David & DelVecchio, 2011) is a 24-item measure of rational and irrational evaluative processes in parents regarding child behavior and the parent role. Items are assessed on a 5- point Likert scale, from "Strongly disagree" (1) to "Strongly agree" (5).

The Parent Rational and Irrational Beliefs Scale (P-RIBS; Gavita, DiGiuseppe, David & DelVecchio, 2011) is a 24-item measure of rational and irrational evaluative processes in parents regarding child behavior and the parent role. Items are assessed on a 5- point Likert scale, from "Strongly disagree" (1) to "Strongly agree" (5).

The Parent Rational and Irrational Beliefs Scale (P-RIBS; Gavita, DiGiuseppe, David & DelVecchio, 2011) is a 24-item measure of rational and irrational evaluative processes in parents regarding child behavior and the parent role. Items are assessed on a 5- point Likert scale, from "Strongly disagree" (1) to "Strongly agree" (5).

The Parent Emotion Regulation Scale (PERS; Perreira, Barros, Roberto, & Marques, 2017) is a 20-item measure of parents' emotion regulation abilities. The PERS assesses four dimensions of parent emotion regulation (orientation to the child's emotions, avoidance of the child's emotions, lack of emotional control and acceptance of the child's and their own emotions), using a five-point Likert scale (from "Never or almost never" to "Always or almost always").

The Parent Emotion Regulation Scale (PERS; Perreira, Barros, Roberto, & Marques, 2017) is a 20-item measure of parents' emotion regulation abilities. The PERS assesses four dimensions of parent emotion regulation (orientation to the child's emotions, avoidance of the child's emotions, lack of emotional control and acceptance of the child's and their own emotions), using a five-point Likert scale (from "Never or almost never" to "Always or almost always").

The Parent Emotion Regulation Scale (PERS; Perreira, Barros, Roberto, & Marques, 2017) is a 20-item measure of parents' emotion regulation abilities. The PERS assesses four dimensions of parent emotion regulation (orientation to the child's emotions, avoidance of the child's emotions, lack of emotional control and acceptance of the child's and their own emotions), using a five-point Likert scale (from "Never or almost never" to "Always or almost always").

The Parent Emotion Regulation Scale (PERS; Perreira, Barros, Roberto, & Marques, 2017) is a 20-item measure of parents' emotion regulation abilities. The PERS assesses four dimensions of parent emotion regulation (orientation to the child's emotions, avoidance of the child's emotions, lack of emotional control and acceptance of the child's and their own emotions), using a five-point Likert scale (from "Never or almost never" to "Always or almost always").

The Security Scale (Kerns, Klepac, & Cole, 1996) is a 15-item measure of attachment security in children aged 8 to 12. The scale uses a "some kids... other kids..." format and asks respondents to select the degree to which they feel they are similar to the type of children they have previously selected, using a two-point Likert scale ("Really true for me" or "Sort of true for me".

The School Burnout Inventory (Salmela-Aro et al., 2009) consists of 9 items that measure three aspects of school burnout, namely, exhaustion at school, cynicism toward the meaning of school, and the sense of inadequacy at school.

The School Burnout Inventory (Salmela-Aro et al., 2009) consists of 9 items that measure three aspects of school burnout, namely, exhaustion at school, cynicism toward the meaning of school, and the sense of inadequacy at school.