Do it! it has completely changed my relationship to the passages. It may sound counter intuitive but taking that two, three second break to digest the paragraph makes the entire passage much more manageable.
Also, if sometimes you are at a loss of…
Ask them to give you a heads up before starting the test! Last time she just started it and kept talking for almost a minute, I asked "wait has the test started and she calms said yup...." After a split second panic mode I asked her to stop talking …