Earlier quoted context omitted.
I would still take issue with the usage of spectrum. A spectrum is a scale with escalating/deescalating and predictable variation. As you go "up" and "down" the spectrum, I don't think you can say how you're supposed to interpret that. In my opinion, we should be supporting or phasing out concepts depending on its usefulness as a predictive instrument. I don't think the "spectrum" lens offers any power over "two majo…
Testosterone is a good example where just because there is a M/F differences does not mean that all M have more Testosterone than all F. So, within the Male designation there is a range of how Male someone is.
However, I don't think the researchers would accept testosterone as an adequate spectrum to contain human sex. So what spectrum is proposed, then? I have difficulty imagining, because I think having a spectrum of Maleness vs Femaleness would be antithetical to what the researchers want.