README-BIBLIOTECA


GENERAL INFORMATION 
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1. Dataset title: Dataset_BSMAS_CERQ_FSII_Prospective


2. Authors: Quintana-Orts, Cirenia; Yudes, Carolina; Sánchez-Moreno, Víctor; Rey, Lourdes


3. Author contact information: Cirenia Quintana-Orts, cquintana@uma.es


METHODOLOGICAL INFORMATION 
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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 at two time points, with a period of 9 months between the data collections.


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 
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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
   -Date of collection of time 1 and time 2
   -Participants' response to each item in each questionnaire


DATA-SPECIFIC INFORMATION:
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1. Name File: Dataset_BSMAS_CERQ_FSII_Prospective


1.1. Variables list:


Value labels: BSMAS
Variable name: Total social media problematic use score (Time 1) 
         Description: The Spanish version of the Bergen Social Media Addiction Scale (BSMAS) (Andreassen et al., 2017).  
        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: self_blame
Variable name: Total self-blame score (Time 1)
         Description: Subscale of self-blame of the Spanish version of Cognitive Emotion Regulation Questionnaire for adolescents (CERQ-SA; Garnefski et al., 2001).
        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: rumination
Variable name: Total rumination score (Time 1)
         Description: Subscale of rumination of the Spanish version of Cognitive Emotion Regulation Questionnaire for adolescents (CERQ-SA; Garnefski et al., 2001).
        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: catastro
Variable name: Total catastrophising score (Time 1)
         Description: Subscale of catastrophising of the Spanish version of Cognitive Emotion Regulation Questionnaire for adolescents (CERQ-SA; Garnefski et al., 2001).
        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: other_blame
Variable name: Total other-blame score (Time 1)
         Description: Subscale of other-blame of the Spanish version of Cognitive Emotion Regulation Questionnaire for adolescents (CERQ-SA; Garnefski et al., 2001).
        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: T2_FSII
Variable name: Total suicide ideation score (Time 2)
         Description: The Spanish version of the Frequency of Suicidal Ideation Inventory (FSII; Chang et al., 2016). 
        Units of measure or value labels: 5-point Likert ranging from 1 to 5. 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.