add_filter( 'rank_math/researches/tests', function( $tests, $type ) {
unset( $tests['content-readability']['calculateFleschReading'] );
$tests['content-readability']['contentHasShortParagraphs']['score'] = 9; // Added Flesch Reading score(6) to shortParagraphs test.
return $tests;
}, 10, 2 );