An experimenter who studied these subjects found that they were unable to comprehend balancing and found that they develop "object (*) permanence" before they understand logic.
Mary Ainsworth conducted one test that distinguished secure, insecure avoidant, and insecure ambivalent attachment styles in these beings, and that experiment was known as the "strange situation". An experimenter who studied these subjects found that they were unable to comprehend balancing and found that they develop "object (*) permanence" before they understand logic. The Visual Cliff experiment found that depth perception was an innate quality of these people for which Jean Piaget theorized four stages of cognitive development. For ten points, name these young humans that may crawl before they can walk.
Mary Ainsworth conducted one test that distinguished secure, insecure avoidant, and insecure ambivalent attachment styles in these beings, and that experiment was known as the "strange situation".
infants [accept babies or toddlers or young children or synonyms; prompt on “children” or “young people”] &lt;RP&gt;