It exists, we may dispute the nature of it's existence but the actions of those around us (in society) along with our ranking (in society) are measurable in social groups of humans & animals.
But if the nature of it is as a construct of the actions of the individuals then what Thatcher was saying is not objectively wrong. Especially when you read the entire article rather than just focus on "There is no such thing as society".
My support for behaviourism is based off the results of tests/trials & experimentation
But the results of trials and tests of behaviourism seem to suggest that it only works for a few base attributes and isn't all that useful for anything complex. Sure you can get dogs to salivate but you do much better with constructivist learning theory when teaching anything remotely complex. That said an awful lot of learning theory in general is pretty poor science and not heavily backed up by evidence either way. Obviously I will be leaving that bit out of my dissertation...
- but both behaviourism & constructivism both lend support to appreciating the impact environment has on an individuals ability to develop - to judge somebody hard-working or "worthy" in both cases requires equality of opportunity.
There is a significant difference though in that constructivist ideas give you more scope for individuals making different decisions.
Can't argue with that, but to achieve this requires a higher standard of education & greater social engagement on a family level (which also in part requires greater rewards for labour).
I am not entirely sure the last part is true, familial engagement (possibly the most important part of education), whilst correlated with income, doesn't seem to be directly causal. It has been shown time and again that income poor children with parents that are engaged in their child's education can make a significant difference.
I've yet to see any evidence which supports greater income inequality to achieve any positive social goals (be that education, crime, engagement or quality of life) - if any evidence exists to the contrary I'd be please to see it.
I am struggling to see the relevance of this comment as at no point have I argued for greater income inequality.
I work with data, my entire job is pretty much based around determining the truth value of a claim.
"truth value" or in other words the "likelihood" of it being true and not if it is actually true.

I jest! Not knowing exactly what you do I could in no way say how it relates to social science statistics (and there reliability).
Is it "left wing" to suggest a rehabilitation based justice system?, or is it simply inconvenient that facts have a "left wing" bias?.
It was a short hand description rather than a fully nuanced view on your political views which would require more than a few forum posts...
Studies on human motivation do not support the justification of excessive economic greed, I've seen evidence to support the opposite (that to maximise performance you need to pay people enough so they are not stressed about money).
Studies on crime support rehabilitation based justice (to reduce crime rates).
Not really sure on the relevance tbh, I have long advocated a rehabilitation based justice system.
Not everybody requires the exact same upbringing, besides no studies imply it's the case for every single person - just it's statistically significant.
Yet you only seem to apply it as a defence when it suits your argument, hence my comment about ideology earlier.
Let's put the ball in your court.
What are your goals for society?.
Do you want to reduce crime?.
Do you want to reduce welfare dependency?.
Do you want to increase qualify of life?.
Until I know what your goals are, I can't say if you are misguided in your approach in achieving them - but one thing I do know is that the Conservative party claim all of the above as goals (but enact policies with no evidence to back them up, or evidence exists which suggests the opposite) - I'm not suggesting that Labour don't do the same btw, but not to the same degree.
I am not entirely sure on the relevance of this?
On the left/right arguments - it's far too simplistic.
I agree.
Most pro-capitalists talk about liberty, but in a society in which your wage is dictated & only a small percentage of the population can enjoy high wages (Which is required for maximum social inclusion) then how exactly is that freedom?.
Why is it wrong for the state to take taxation to even out the playing field, but OK for business to oppress the workforce via low wages?.
Oppression & authoritarianism can take many forms, most pro-capitalists seem to be arguing to live in a corporatocracy as opposed to socialist state - simply trading the entity removing freedom from one elected (which at least attempts to redistribute wealth the for benefit of many) to one unelected (which has no desire to redistribute the wealth for the benefit of many).
The problem I have is that pretty much every time we have tried to use the state as the function of enforcing equality of opportunity it has ended pretty badly. I would rather live in a neo-liberal social democracy that typifies the Western developed nations than pretty much any other culture so far tried.
I am not entirely sure you can so easily divorce personal freedoms from economic freedoms as every attempt to improve the former by restricting the latter have ended up restricting both.