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text/3_method.tex
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\chapter{Methodology}
\chapter{Method}
StackExchange introduced a \emph{new contributor} indicator to all communities on $21^{st}$ of August in 2018 at 9 pm UTC \cite{post2018come}. This step is one of many to make the platform and its members more welcoming towards new users. This indicator is shown the potential answerers in the answer text box of a question flagged as from a new contributor as shown in figure \ref{newcontributor}. The indicator is added to a question if the question is the first contribution of a user or if the first contribution (question or answer) of the user was less than 7 days ago \cite{sonic2018what}. The indicator is then shown for 7 days from the creation date of the question. Note that the user can be registered for a long time and then post their first question and it is counted as a question from a new contributor. Also, if a user decides to delete all their contributions from the site and then creates a new question this question will have the \emph{new contributor} indicator attached. The sole deciding factor for the indicator is the date and time of the first contribution and the 7 days window afterward.
StackExchange introduced a \emph{new contributor} indicator to all communities on $21^{st}$ of August in 2018 at 9 pm UTC \cite{post2018come}. This step is one of many StackExchange took to make the platform and its members more welcoming towards new users. This indicator is shown the potential answerers in the answer text box of a question flagged as from a new contributor as shown in figure \ref{newcontributor}. The indicator is added to a question if the question is the first contribution of a user or if the first contribution (question or answer) of the user was less than 7 days ago \cite{sonic2018what}. The indicator is then shown for 7 days from the creation date of the question. Note that the user can be registered for a long time and then post their first question and it is counted as a question from a new contributor. Also, if a user decides to delete all their contributions from the site and then creates a new question this question will have the \emph{new contributor} indicator attached. The sole deciding factor for the indicator is the date and time of the first non-deleted contribution and the 7-day window afterward.
\begin{figure}
\includegraphics[scale=0.47]{figures/new_contributor} %TODO wrong image
\centering\includegraphics[scale=0.47]{figures/new_contributor}
\caption{The answer box a potential answerers sees when viewing a question from a new contributor. \copyright{Tim Post, 2018, \url{https://meta.stackexchange.com/users/50049/tim-post}} in \cite{post2018come}}
\label{newcontributor}
\end{figure}
@@ -13,6 +13,7 @@ StackExchange introduced a \emph{new contributor} indicator to all communities o
% https://meta.stackexchange.com/questions/314472/what-are-the-exact-criteria-for-the-new-contributor-indicator-to-be-shown \cite{sonic2018what} ; change date = 2018-08-21T21:04:49.177
% new user indicator visible for 1 week ...
%TODO more vader explanation
To measure the effectiveness of the change we chose Vader, a sentiment analysis tool designed for social media interactions \cite{hutto2014vader}. Vader uses a lexicon of words with attached sentiment values and rules related to grammar and syntax to determine a sentiment value between -1 and 1 to a given piece of text. The sentiment range is divided into 3 classes: negative (-1 to -0.05), neutral (-0.05 to 0.05), and positive (0.05 to 1). The outer edges of the value space are rarely reached as the text would have to be negative or positive to the extremes which is very unlikely.
% sentiment calculation via vaderlib, write whole paragraph and explain, also add ref to paper \cite{hutto2014vader}