In girls, the onset of puberty brings the lowering of the voice at approximately age

Jean Piaget proposed that cognitive development reaches full maturity at formal operations; however, contemporary researchers propose that this is not the case, but rather that cognitive maturity extends into ____

a. postformal thinking b. preformal thinking c. metacognitive thinking d. analytical thinking

Light microscope images are to electron microscope images as

A) PET scans are to CT scans. B) immunocytochemistry procedures are to FOS procedures. C) CT scans are to MRI scans. D) MRI scans are to light microscope slides. E) MRI scans are to CT scans.