Article Review: "Does IQ = IQ? Comparability of Intelligence Test Scores in Typically Developing Children"

The question whether different intelligence tests veer different results is definitely a valuable interrogation. As shown through the five German standardized tests, the intelligence tests all focus on something different. The RIAS has two verbal and two non verbal components, the SON-R 6-40 is a completely non verbal test, and the CFT 20-R is also non verbal focusing on fluid intelligence. Moreover, the WISC-IV test focuses on verbal comprehension, perceptual reasoning, working memory, and processing speed and the IDS tests six different developmental domains, cognition, psychomotor skills…