Which of the following individual differences may not affect learning?

Among these individual differences, height, blood group and complexion do not affect learning, as they are unrelated to how a person thinks or acquires knowledge.

Height is a purely physical trait with no bearing on cognition.

Blood group is a biological marker that has no link to learning ability.

Complexion is a surface physical feature and irrelevant to intellect.

Cultural background does affect learning by shaping experiences, language and values.

Age does affect learning through the level of maturity and readiness it brings.