K2TOG - Decreasing Stitches

So, when a pattern says: K2, K2TOG across row… does that mean: Knit 2, then knit 2 together for the remainder of the row? Or does it mean, Knit 2, knit 2 together, knit 2, knit 2 together…?

Hi and welcome!
It depends on how the pattern is written.
“K2, K2tog across the row” would mean k2, k2tog, k2tog, k2tog etc.
"(K2, K2tog) across the row" would mean alternating k2 and k2tog.
Often, a pattern gives a stitch count at the end of a decrease row and that can help you confirm the way to knit the row.

Thanks for your response. I think it’s the 1st because there’s no asterick or parenthesis to indicate alternating… And the 1st choice also loses a lot more stitches in one row than alternating k2, k2tog - theres only 3 decreases (baby hat) and I end up with 6 stitches to cinch up…

OK, since that makes sense with you stitch count and the lack of parentheses or asterisks, it sounds right. Enjoy finishing up the hat!