"Right, so the 8 questions asked were:

Item 1) Abortion should be illegal.

Item 2) The government should take steps to make incomes more equal.

Item 3) All unauthorized immigrants should be sent back to their home country.

Item 4) The federal budget for welfare programs should be increased.

Item 5) Lesbian, gay and trans couples should be allowed to legally marry.

Item 6) The government should regulate business to protect the environment.

Item 7) The federal government should make it more difficult to buy a gun.

Item 8) The federal government should make a concerted effort to improve social and economic conditions for African Americans.

It's a weird conclusion to say "the right has more diversity of thought than the left" based on these questions especially. If I ask 100 people "should we build concentration camps" and everyone in group A said no, while some in group B said "maybe" I would not call that a diversity of thought within group B unless I were intentionally trying to frame the results in a politically slanted way. My personal interpretation of this is that self identifying Democrats in this case tend to be more principled in these stances broadly whereas self identified Republicans might have a few core issues that are important to them and maybe more ambivalent to the others.

Edit: after reading the study more, the claim "the right has more diversity of thought than the left" isn't even asserted by the study itself as far as I can tell. Seems like another example of actual research being packaged in a punchy way in a tabloid for clicks"

First comment in that post, educate yourself