Question

fill in the blank question
researchers that are interested in the cognitive abilities of children who are either held back or advanced a grade in school as measured by standardized iq tests are conducting research.

Explanation:

This research focuses on measuring cognitive abilities (via IQ tests) to examine the relationship between grade placement (held back/advanced) and cognitive traits. It uses quantitative, numerical measurement of a psychological construct, fitting the definition of quantitative research in psychology.

Answer:

quantitative