29. The company was founded at the University of Pennsylvania by then-student Seth Berkowitz. His dedication to delivering hot cookies to his fellow students has blossomed into a chain with over 300 locations across the nation. The company celebrated its 21st anniversary in October 2024. Berkowitz...
Thus the items’ separate sub-category response transition locations can then be placed along the severity spectrum, and simultaneously characterized for their relative combined information value. To accomplish this, the IRT method generally requires that all items have the same number of response ...