The grammar is OK, but the style is awful ('clunky' is a kind word for it), and it should be recast. Unfortunately a lot of writers in the sciences feel it is their duty to write in passive voice, so this egregiousness is perpetuated. The sentence would benefit from further revision also: The next section will analyze whether the changes made to the second and third versions actually contribute to the comprehensibility of the text or only worsen it.
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