video1.0<iframe src="https://www.loom.com/embed/47a2f2cb3d4e4fecbe4671ccea3d1a91" frameborder="0" width="1106" height="829" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>8291106Loomhttps://www.loom.com8291106https://cdn.loom.com/sessions/thumbnails/47a2f2cb3d4e4fecbe4671ccea3d1a91-00001.jpg129p: When the author refers to certain studies as “classic” in line 21 and line 52, she most nearly means that the studies are: