According to Diamond's research on the delay in reaching A-not-B, as age increases, children ________

They are less accurate as they age. (are less accurate as they get older.)

They are more negatively affected by delays at older ages. (are more negatively impacted by delays at older ages.)

Show object permanence before 6 months of age. (show object permanence before 6 months of age.)

They are able to withstand longer delays.