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% Packages
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\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
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\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Robyn.jll}
\pdfinfo{
  /Title (step-2.pdf)
  /Creator (Cheatography)
  /Author (Robyn.jll)
  /Subject (Step 2 Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Step 2 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Robyn.jll} via \textcolor{DarkBackground}{\uline{cheatography.com/146401/cs/31682/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Robyn.jll \\
  \uline{cheatography.com/robyn-jll} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 14th April, 2022.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{2}

\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Sampling for Statistical Analysis}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{{\bf{Probability / Non-Probability sampling methods}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Probability sampling & every member of the population has a chance of being selected for the study through random selection \tn 
% Row Count 6 (+ 5)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Non-probability} sampling & some members of the population are more likely than others to be selected for the study because of criteria such as convenience or voluntary self-selection. \tn 
% Row Count 13 (+ 7)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{8.4cm}}{{\bf{Parametric / Non-Parametric tests}}} \tn 
% Row Count 14 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Parametric tests & can be used to make strong statistical inferences when data are collected using probability sampling. If you want to use parametric tests for non-probability samples, you have to make the case that: \tn 
% Row Count 23 (+ 9)
% Row 5
\SetRowColor{white}
 & (1) your sample is representative of the population you're generalizing your findings to. \tn 
% Row Count 27 (+ 4)
% Row 6
\SetRowColor{LightBackground}
 & (2) your sample lacks systematic bias. \tn 
% Row Count 29 (+ 2)
% Row 7
\SetRowColor{white}
Non-parametric tests & are more appropriate for non-probability samples, but they result in weaker inferences about the population. \tn 
% Row Count 34 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Sampling for Statistical Analysis (cont)}}  \tn
% Row 8
\SetRowColor{LightBackground}
 & non-probability samples are more likely to be biased, they are much easier to recruit and collect data from \tn 
% Row Count 5 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{8.4cm}{x{3.44 cm} x{4.56 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Calculate sufficient sample size}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{8.4cm}}{Before recruiting participants, decide on your sample size either by looking at other studies in your field or using statistics. A sample that's too small may be unrepresentative of the sample, while a sample that's too large will be more costly than necessary.} \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
Significance level (alpha): & the risk of rejecting a true null hypothesis that you are willing to take, usually set at 5\%. \tn 
% Row Count 11 (+ 5)
% Row 2
\SetRowColor{LightBackground}
Statistical power: & the probability of your study detecting an effect of a certain size if there is one, usually 80\% or higher. \tn 
% Row Count 16 (+ 5)
% Row 3
\SetRowColor{white}
Expected effect size: & a standardized indication of how large the expected result of your study will be, usually based on other similar studies. tells you how meaningful the relationship between variables or the difference between groups is. It indicates the practical significance of a research outcome. \tn 
% Row Count 29 (+ 13)
% Row 4
\SetRowColor{LightBackground}
Population standard deviation: & an estimate of the population parameter based on a previous study or a pilot study of your own \tn 
% Row Count 34 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}