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@@ -13,7 +13,7 @@ I hypothesized that HRIStudio would improve both accessibility and reproducibili
\section{Study Design}
I used what Bartneck et al.~\cite{Bartneck2024} call a between-subjects design, in which each participant is assigned to only one condition. To ensure that programming experience was balanced across conditions, I stratified assignment by self-reported programming background: each wizard was first classified into one of three strata (\emph{None}, \emph{Moderate}, or \emph{Extensive} programming experience), and then randomly assigned within their stratum to one of the two conditions (HRIStudio or Choregraphe). This produced a design in which each condition contained exactly one wizard at each experience level, allowing the tool effect to be evaluated without confounding from the distribution of programming experience. Both groups received the same task, the same time allocation, and a similar training structure. Measuring each participant in only one condition prevents carryover effects, meaning performance changes caused by prior exposure to another condition rather than by the assigned condition itself.
I used what Bartneck et al.~\cite{Bartneck2024} call a \emph{between-subjects design}, in which each participant is assigned to only one condition. To ensure that programming experience was balanced across conditions, I stratified assignment by self-reported programming background: each wizard was first classified as having \emph{None}, \emph{Moderate}, or \emph{Extensive} programming experience, and then randomly assigned within that stratum to HRIStudio or Choregraphe. This produced a design in which each condition contained exactly one wizard at each experience level, reducing the risk that tool effects would be confused with differences in programming experience. Both groups received the same task, the same time allocation, and a similar training structure. Because each wizard used only one tool, the design also avoided carryover effects from prior exposure to the other condition.
\section{Participants}