The speaker says that a researcher can develop substantially between the first year of a PhD and the postdoc stage over roughly five years and perhaps 10, 15, or 30 research projects.

“know we we develop pretty quickly right and so like you know if you think about like even like in a phd the difference between like a first year phd student and like a final like postdoc or something that's like five years maybe and they've only done like maybe like 10 15 30 research projects in total but somehow they develop”