How were teacher ratings in Brendgen's study derived?

• A. From open-ended surveys
• B. Based on a series of statements
• C. Through formal interviews
• D. Using self-reported questionnaires

Answer: (B)

In Brendgen's study, teacher ratings were derived based on a series of statements that aimed to assess various behaviors and characteristics of the students. This method allows for a standardized approach to evaluating the students, as it provides specific criteria on which teachers can base their assessments. By using defined statements, it ensures consistency across different raters, promoting reliability in how students' behaviors are rated. This type of systematic evaluation helps researchers gather quantifiable data that can be analyzed effectively to understand the relationships between student behaviors and other psychological variables. The other methods, such as open-ended surveys, formal interviews, or self-reported questionnaires, would not provide the same level of structure and consistency needed for the study's objectives.