Cultural tools shape cognitive development and can includeboth technical tools which act on the environment andpsychological tools which are tools for thinking. DiscussVygotskys belief that language is the most significant of thecultural tools. Do you agree or disagree? Examine the given imagesof other psychological tools. Choose one of the given toolsand discuss how that tool may influence cognitive development fromthe perspective of the sociocultural theories. What do you feel arethe ramifications of your tool on student learning? Is yourchosen tool an example of the ratchet effect? Defend youranswer.