In psychological testing and assessments, it is essential to understand how different groups may perform on various measures. Research indicates that certain demographic factors, such as socioeconomic status, race, and gender, can influence test performance. For instance, standardized tests have been criticized for showing disparities in scores among different racial and ethnic groups. Understanding these group differences is vital for the fair application of assessment results in educational and psychological contexts.
Which of the following statements is most likely true regarding group differences in standardized testing?