I am wondering if there is a selection bias in this that has to do with either the kids that get homeschooled or the parents who take that decision. Like if a p

I am wondering if there is a selection bias in this that has to do with either the kids that get homeschooled or the parents who take that decision. Like if a parent homeschools their kids because they are afraid of certain external social influences, that would probably imply that they restrict the social life of their kids in different contexts to prevent potential negatively perceived social influence. In the example stated in the article, the kids seem to do a lot of group activities and in general activities that involve other kids or adults than the parents, so I cannot see why such an issue would occur. My suspicion though (and similar anecdotal experience) is that a lot of parents that homeschool their kids are more reclusive, or they are not encouraging socialisation as much for reasons that have to do with that choice.