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Field
Planned Number of Clusters
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Before
We expect to receive around 6300 evaluations of candidate or list profiles by local party leaders. We will send the survey to 317 local party leaders, who will each be faced with 30 decisions among pairs of candidates or candidate lists (19020 = 317 x 30 x 2). We expect a response rate of less than a third of all respondents, based on existing studies of comparable populations (6340 = 19020 / 3).
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After
We expect to receive around 6300 evaluations of candidate or list profiles by local party leaders. We will send the survey to 317 local party leaders, who will each be faced with 30 decisions among pairs of candidates or candidate lists (19020 = 317 x 30 x 2). We expect a response rate of less than a third of all respondents, based on existing studies of comparable populations (6340 = 19020 / 3).
August Update: We received contact information for two additional local party leaders. We will add them to the study and send them an invitation to evaluate candidate and list profiles. At this moment, when we received the additional contact information and decided to include them, we do not yet have access to any of the data from the conjoint experiment. The survey company will share the data with us in September. We do not expect any significant changes to the resulting number of evaluations and our power calculation.
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