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Could anyone please provide me some guidance in how to plan a sample for a Welch's t test (with some references)? One can find a plenty of information online for a Student's t test. But I couldn't...
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I'm going to make an experimental research to test an specific phenomenon (a cognitive bias, to be more specific). Then I'm assigning 6 questions to the participants. Let's call E1 and E2 the two...
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