Marco, who has taken IQ tests at two different time periods, has declined in IQ. Research indicates that children like Marco often have parents who
A) use either very severe or very lax discipline.
B) overstimulate them with extracurricular activities.
C) apply great pressure to succeed.
D) are overinvolved in their children's lives.

Question

Quizplus · Accepted Answer

Research suggests that extreme parenting styles, either very strict or very lenient, can negatively impact a child's cognitive development, potentially leading to a decline in IQ over time.

Marco, Who Has Taken IQ Tests at Two Different Time