The flynn effect is thought to be caused by all of the following except
a.
schools spending more money per pupil
b.
a reduction in the prevalence of child malnutrition
c.
increased access to school
d.
advances in technology, especially in multimedia

The correct answer is option A.

Explanation:

The Flynn defect is a significant and long-sustained improvement in both crystallized and fluid intelligence or IQ test that was assessed in many parts of the world during that time of period.

The Flynn effect is a positive change in the population that arises due to various reasons such as increased access to more children, reduction in the prevalence of malnutrition in children, and advanced in technology.

Thus, the correct answer is option A.

your answer will be a. sorry if im wrong: )