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Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

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Effects of validity screening items on adolescent survey data.

Dewey Cornell¹, Jennifer Klein, Tim Konold

¹Curry School of Education, University of Virginia, Charlottesville 22904-4270, USA. dcornell@virginia.edu

Psychological Assessment

|August 10, 2011

Summary

Validity screening items improve adolescent survey data quality. Removing invalid responses significantly lowers reported risk behaviors and enhances school climate data accuracy.

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Area of Science:

Psychology
Educational Research
Survey Methodology

Background:

Adolescent survey data quality is crucial for accurate research.
Validity screening items are used to identify inattentive or untruthful respondents.
Previous research has not fully explored the impact of these screeners on adolescent data.

Purpose of the Study:

To examine the effectiveness of validity screening items in adolescent surveys.
To assess the impact of removing invalid responders on prevalence rates and factor structures.
To compare the perceptions of valid versus invalid responders regarding school climate.

Main Methods:

Two studies involving adolescent survey respondents.
Inclusion of direct questions about truthfulness and attention.
Statistical analyses including confirmatory factor analysis, multigroup factor analysis, and bootstrap resampling.

Main Results:

Screening out invalid responders significantly reduced reported student risk behaviors in Study 1.
Factor structures of school climate scales differed significantly between valid and invalid responders.
Valid responders reported more positive views of school conditions and yielded higher correlations with teacher perceptions in Study 2.

Conclusions:

Validity screening items are valuable tools for enhancing the quality of adolescent survey data.
Excluding invalid responses leads to more accurate estimates of behaviors and perceptions.
The findings support the routine use of validity screening items in research with adolescent populations.