KA 3: reporting and critical evaluation of biological research: reporting and evaluating experimental design Flashcards
1
Q
what should a method section contain?
A
-sufficient information to allow another investigator to repeat the work
2
Q
what should experimental design address?
A
the intended aim and test the hyopthesis
3
Q
an experimental design that does not address the intended aim or test the hypothesis is…
A
invalid
4
Q
treatment effects should be compared to…
A
controls
5
Q
how could the validity of an experiment be compromised?
A
when factors other than the independent variable influence the value of the dependent variable
6
Q
what is selection bias
A
the selection of a sample in a non-random way, so that the sample is not representative of the whole population
7
Q
what can selection bias prevent?
A
a representative sample being selected
