README-BIBLIOTECA GENERAL INFORMATION ........................... 1. Dataset title: Dataset_CoreSelf_Psychological_Wellbeing_Classmate_Support 2. Authors: Yudes, Carolina; Chamizo-Nieto, María Teresa; Peláez-Fernández, María Angeles; Extremera, Natalio 3. Author contact information: Carolina Yudes, cyudes@uma.es METHODOLOGICAL INFORMATION ................................. 1. Description of the methods for collection/generation of data: Adolescents participated voluntarily and anonymously (prior consent from educational centres and legal tutors) filling out a pencil-and-paper some questionnaires. 2. Data processing methods - Data was obtained through quantitative analysis. 3. Software or instruments needed to interpret the data: SPSS version 23 or open access programs that read .csv files such as Jasp or Jamovi. 4. Standards and calibration information, if appropriate: Not applicable. 5. Environmental or experimental conditions: Classroom conditions in schools. FILE OVERVIEW ---------------------- The dataset is distributed in one single file in .csv format. This provides information on: -Random number assigned to the participant -Sociodemographic variables: Sex, age, nationality, and academic year -Participants' response to each item in each questionnaire DATA-SPECIFIC INFORMATION: ------------------------------------------- 1. Name File: Dataset_CoreSelf_Psychological_Wellbeing_Classmate_Support 1.1. Variables list: Value labels: CS Variable name: Classmate Support Description: Teacher and Classmate Support Scale (Torsheim Wold & Samdal, 2000) Units of measure or value labels: 5-point Likert ranging from 1 to 5. Each value in the range is specified in the database. Value labels: SCE Variable name: Core Self-Evaluations Description: Spanish version of the Core Self-Evaluations Scale (Beléndez et al., 2018) Units of measure or value labels: 5-point Likert ranging from 1 to 5. Each value in the range is specified in the database. Value labels: SWLS Variable name: Life Satisfaction Description: Spanish version of the Satisfaction with Life Scale (Atienza et al., 2003) Units of measure or value labels: 7-point Likert ranging from 1 to 7. Each value in the range is specified in the database. Value labels: FSII Variable name: Suicidal Ideation Description: Spanish version of the Frequency of Suicidal Ideation Inventory (Sánchez-Álvarez et al., 2020) Units of measure or value labels: 5-point Likert ranging from 1 to 5. Each value in the range is specified in the database. Value labels: DASS Variable name: Depressive symptomatology Description: Subscale of Depression of the Spanish version of the Depression, Anxiety, and Stress Scales (Bados et al., 2005) Units of measure or value labels: 4-point Likert ranging from 0 to 3. Each value in the range is specified in the database. 1.2. Codes or symbols: - The meaning of each code used in each sociodemographic variable is specified in the dataset. 1.3. Special formats or abbreviations used: - In each case, the abbreviation used is specified by the label of each variable.