3.3 Critical Evaluation of Biological Research Flashcards
What should scientific reports contain?
title, abstract and introduction
Titles should be ___.
Abstracts should include ___ and ___.
Introductions should explain the ___ and provide ___ for the study, including the use of several ___, supporting ___, citations and ___.
explanatory.
aims and findings.
purpose, context, sources, statements, references
An aim must link the ___ and ___ variables.
independent, dependent
The ___ behind the selection of basic study methods and ___ should be covered, as should the a___ and h____.
reason, organisms, aims, hypotheses
The methods section should be…
detailed enough to allow others to repeat the work
Experimental design should address the ___ and ___.
aims and hypothesis
Confounding variables must be either ___ into ___, or ___ across all treatments.
taken, account, standardised
What can selection bias prevent?
a representative sample being taken
Sample size may not be large enough to decide without ___ whether or not the ___ variable is affecting the ___ variable.
bias, independent, independent
What makes results statistically signficant?
if it is unlikely due to chance alone
The difference between a control and treatment groups is significant if…
the error bars do not overlap
What 3 things should the conclusion refer to?
aims, hypotheses, results
The evaluation of conclusions should also refer to existing ___ and the results of ___ ___.
studies, other studies
What name is given to a scientific article that summarises current knowledge
and recent findings in a particular field?
Review.
