Topic > What is crystallized intelligence? - 1021

Fluid knowledge is a cognitive ability underlying all mental attitudes and is considered impervious to practice. Jaeggi and colleagues (2008) challenge the resilient nature of fluid intelligences by finding results. Furthermore, Hurley's (2012) popular press article includes the study's shortcomings and Jaeggi and colleagues' (2008) skeptical view. Hurley (2012) cites three major shortcomings in Jaeggi and associates' (2008) article: only one reasoning task was implemented, the reasoning task was highly correlated with other measures, and research did not investigate whether these gains had transferability to school grades, job performance, earnings in the real world. Ethical Issues/Slant Furthermore, the popular press article offered three opinions of scholars who disagreed with the findings of the research article. These views offered a limited explanation for their disagreement and offered questionable support. For example, Hurley (2012) cites Engle identifying methodological weaknesses in the research and finding results that do not support Jaeggi and colleagues' (2008) findings. However, the author failed to identify the specific methodological weakness and instead stated that many of these have been addressed in subsequent articles. Overall the article presents a fair assessment of the two sides of the issue