19. Dweck believes that children who receive feedback praising their efforts at formulating effective solutions after their successes will generally adopt in achievement contexts. A subsequent failure should cause these youngsters to .

performance goals; try all the harder to succeed

Explanation:

According to Carol Dweck view on mastery-oriented achievement, He established that children or adolescents who receive process praise feedback after succeeding in a task, often extends those praises into formulation of effective problem-solving strategies.

Furthermore, he described that their top priority often becomes competencies improvement.

However, subsequent failure at a new task should propel the children to understand the needs to work harder and proffer a better solution.

explanation:

may i ask what challenges?

it would be d). more resources must be obtained to attain that combination of goods and services