Safeguarding psychological measurement: Psychometric approaches to correct for test and agreeing bias

Psychological measurement is critical for understanding human behavior, but measuring intangible psychological constructs is challenging. Self-report scales are often used to measure these latent constructs but are prone to biases that can compromise validity. This dissertation encloses a series of methodological contributions about psychometric methods to detect and correct for test and agreeing bias. These methods can help to improve the validity and reliability of self-report scales and other psychological assessments, ultimately helping us to build valid and effective measurement tools.