= Solution
\b[TODO: the supplementary sheet is needed to identify the analysis actually conducted.] A two-factor <factorial design> is described, but that alone does not distinguish an independent-groups <two-way analysis of variance>, a <repeated-measures analysis of variance>, a mixed design, or a <mixed-effects model>. The model call, error structure, participant allocation and output headings would establish which analysis was used. In particular, the prose does not establish that every participant experienced every condition.
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