Which best describes the problem-solving approach of the concrete operational thinker? systematic hypothesis testing scientific trial and error they cannot devise solutions to problems?

Trial and Error best describes the problem-solving approach to the concrete operational thinker because children during 7 to 12 years old think unsystematically for a solution.

Moreover, concrete operational thinkers uses several methods to solve a problem. When one method does not work, then another method is use until it satisfy the problem. This example defines trial and error method.

earlier philosophers whose work influenced the enlightenment included bacon, descartes, locke, and spinoza. the major figures of the enlightenment included beccaria, diderot, hume, kant, montesquieu, rousseau, adam smith, and voltaire. it spread the ideas of the enlightenment across europe and beyond.