Assumptions can objectively be correct or incorrect and tested for that property. But
in contrast to hypotheses no claim about their truth can be made. Their purpose in
science is to simplify a complex problem and the analysis of the problem. There are
two caveats against the excessive use of assumptions: Firstly, the employment of assumptions
necessarily omits important parts of a problem. Secondly, a model which
is based on strict assumptions might immunize itself against reality and empirical
testing and thus become unfalsifiable (see section 3.2.2, pp. 14f.).94