\section{Research Questions}
\label{sect:research-questions}

%In this section we provide the research questions that we followed throughout our research.
%After discussing our results in general in \tion{results}, we will revisit each research question in \tion{answers-to-research-questions} and provide detailed answers to them.
Below is the list of research questions that we investigated.
We will revisit each question in \tion{answers-to-research-questions} and provide detailed answers.

\bi
\item RQ1: What are the effects of using multi-methods?
\item RQ2: What are the reasons behind the particular effects of multi-methods?
\item RQ3: What can the experiments that use 102 methods over 20 datasets tell us about stability issues?
\item RQ4: What is the best effort estimator?
\item RQ5: What are the implications of our results regarding software effort datasets?
\ei


