Dataset Title: 
	Implementing Universal Design for Learning in European preschools: A cross-national analysis of inclusive education
	
Authors: 
	Inese Tīģere, Riga Technical University Liepaja Academy, Latvia
	Dina Bethere, Riga Technical University Liepaja Academy, Latvia
	Gatis Lāma, University of Latvia, Latvia
	Linda Daniela, University of Latvia, Latvia
	Lucie Grůzová, Masaryk University, Czech Republic
	Daniela Krienzer, Private University College of Teacher Education Augustinum, Austria
	Elfriede Amtmann, Private University College of Teacher Education Augustinum, Austria
	Maria Aurora Boné, Polytechnic Institute of Beja, Portugal


Contact information: 
	Inese Tīģere (Inese.Tigere@rtu.lv),Riga Technical University Liepaja Academy, Latvia

Methodology:
Data were collected between May and September 2025 across four European countries: Austria, the Czech Republic, Latvia, and Portugal. National co-researchers disseminated the survey through professional networks, using convenience and snowball sampling methods. The survey was administered online via Google Forms and took approximately 15–20 minutes to complete. Before data collection, the study protocol was approved by the Research Ethics Committee of Riga Technical University (Protocol Code 04000-10.2.3-e/26, date of approval: 28 May 2025). All participants were informed about the purpose of the study, the voluntary nature of their participation, and their right to withdraw at any time. Completion of the anonymous survey implied informed consent. No personally identifiable information was collected. All data are reported in aggregate form to ensure participant confidentiality. Survey was created based on CAST Universal Design for Learning Guidelines version 3.0 (CAST (2024). CAST Universal Design for Learning Guidelines version 3.0. Retrieved from https://udlguidelines.cast.org) and was adapted and piloted in Latvia in 2025 (Tīģere, I., Bethere, D., Lāma, G., & Daniela, L. (2025). Validating Universal Design for Learning Survey with Latvian Preschool Teachers: A Pilot Study. IAFOR Journal of Education, 13(3), 493–524. https://doi.org/10.22492/ije.13.3.20). 
The dataset includes survey response files and questionnaires from four countries, a codebook, and a combined dataset containing UDL questionnaire items, demographic questions, as well as additional sections in which grouped variable values have been calculated. More detailed information about the variables, their possible values, and calculation formulas can be found in the codebook.In the UDL section, respondents were able to select multiple answers; these were expressed as the average of all selected responses, rounded to the nearest whole number. Additionally, some respondents did not select any answers for certain questions. The number of such cases was small, and these values were replaced with the median value of the respective question.

	
Files:
	00_read_me 
	01_RAW_data_Latvia.xlsx- Raw data from a survey in Latvia
	02_RAW_data_Austria.xlsx- Raw data from a survey in Austria
	03_RAW_data_Czech_Republic.xlsx - Raw data from a survey in Czech Republic
	04_RAW_data_Portugal.xlsx - Raw data from a survey in Portugal
	05_Questionaire_Latvia.pdf 
	06_Questionaire_Austria.pdf
	07_Questionaire_Czech_Republic.pdf
	08_Questionaire_Portugal.pdf
	09_CODEBOOK.xlsx
	10_COMBINED_DATASET.xlsx

Licence:
	This dataset is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit 	http://creativecommons.org/licenses/by/4.0/