Which of the following groups of children have adjustment problems?

In educational psychology, adjustment problems in a school setting arise when there is a persistent mismatch between a child's developmental profile and the standard pace, content, and peer environment of the classroom. Gifted or genius children are the group most consistently identified with this kind of mismatch, because of what is called asynchronous development, intellectual growth that significantly outpaces chronological age and socio-emotional maturity.

For genius children, this asynchronous development shows up as boredom and disengagement when the curriculum moves at a standard pace, difficulty relating to same-age peers because of markedly different interests and vocabulary, and added psychological pressure from the unusually high expectations placed on them by teachers and parents. Together, these factors are well documented as producing genuine adjustment problems for this group.

• Children of average intelligence generally match the pace and content the standard curriculum is built for, and they fit typical peer-group norms without strain, so as a group they do not show notable adjustment difficulty.

• Rural children is a socio-geographic descriptor, not a developmental one; it carries no inherent link to the pace/peer mismatch that drives adjustment problems in this classification.

• Studious children stay closely aligned with academic expectations and classroom routines, so they typically integrate smoothly rather than struggle to adjust.

Genius children are therefore the group most associated with adjustment problems, and this is the correct answer.