501 Critical Reading Questions

Critical Reading Questions
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Hence 
all
scientific knowledge is always in a state of flux, for at any
time  new  evidence  could  be  present[ed]  that  contradicts  long-held
hypotheses.
The  experiments  that  reject  a  hypothesis  should  be  performed  by
many different scientists to guard against bias, mistake, misunderstand-
ing, and fraud. Scientific journals use a process of 
peer review
, in which
scientists submit their results to a panel of fellow scientists (who may or
may not know the identity of the writer) for evaluation. Peer review may
well have turned up problems and led to a closer examination of exper-
imental evidence for many scientists. Much embarrassment, and wasted
effort worldwide, has been avoided by objective peer review, in addition
to continuing the use and proving the necessity of the scientific method.
391.
Which step in the process of scientific method do lines 63–72
speak of?