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Developing SENSES: Student experience of non-shared environment scales
Sundus Yerdelen1, Tracy Durksen2, Kaili Rimfeld3
1Faculty of Education, Kafkas University, Kars, Turkey.
Plos One
|September 7, 2018
Summary
Researchers developed the Student Experiences of Non-Shared Environment Scales (SENSES) to measure individual environmental differences. This new scale shows promise in understanding variations in behavioral traits among genetically identical individuals.
Area of Science:
- Psychology
- Behavioral Genetics
- Educational Psychology
Background:
- Non-shared environmental (NSE) factors explain individual differences in behavioral traits, even among genetically identical individuals.
- Existing research relies on twin and adoption studies to infer the impact of NSE.
- A quantitative measure for pupils' non-shared experiences was needed.
Purpose of the Study:
- To develop and validate a quantitative measure of students' non-shared environmental experiences.
- To assess the psychometric properties of the Student Experiences of Non-Shared Environment Scales (SENSES).
- To explore the relationship between non-shared experiences and academic performance and life satisfaction.
Main Methods:
- Development of the SENSES scale based on qualitative data.
- Exploratory Factor Analysis (EFA) on data from 117 twin pairs (Study 1).
- Confirmatory Factor Analysis (CFA) and external validity checks on data from 926 twin pairs (Study 2).
Main Results:
- A 49-item, 10-factor SENSES solution explained 63% of the variance in responses.
- SENSES demonstrated good internal consistency, convergent, and divergent validity.
- Nine SENSES factors significantly correlated with public examination performance and life satisfaction.
Conclusions:
- The SENSES scale provides a reliable and valid measure of students' non-shared environmental experiences.
- Preliminary findings support the use of SENSES in understanding individual differences in achievement and wellbeing.
- Further research is needed to confirm psychometric properties and explore NSE effects on SENSES scores.
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