This is literally true in the sense that social science isn’t a science because it encompasses numerous sciences, but it is not true if the intent to say “social science (which isn’t science)”.
(Social sciences may often require hypothesis testing in statistically-controlled experiments or have other practical limitations on experimentations because they address phenomenon that cannot easily and/or ethically be experimented with as much freedom as one would want in a laboratory, but then those issues exist for some phyiscal and life sciences as well.
This is literally true in the sense that social science isn’t a science because it encompasses numerous sciences, but it is not true if the intent to say “social science (which isn’t science)”.
(Social sciences may often require hypothesis testing in statistically-controlled experiments or have other practical limitations on experimentations because they address phenomenon that cannot easily and/or ethically be experimented with as much freedom as one would want in a laboratory, but then those issues exist for some phyiscal and life sciences as well.