All Questions
Tagged with statistics experiment-design
9
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3x2 Mixed ANOVA, but 3 DVs, one of which is a yes/no - what statistical test?
I have a research design where I have a 3x2 mixed ANOVA, focussing on attitudes towards a drug. The between participants part has 3 levels, with 2 different methods of communicating about risks of ...
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What is the study design for 2 samples measured at different times that can be considered independent? [closed]
I am trying to figure out the name for a design study in the following scenario. Imagine a hospital where patients with a certain condition (say bacteria infection) are treated with a certain ...
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Power issues with mixed models
I'm designing a psychology experiment in which we're interested in how working memory load affects performance in a theory-of-mind task. Independent variable is working memory load, dependent variable ...
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How to confirm that a more frequently labelled object is a better instance of the label
I have some data from a study where humans are shown an object and asked to select all words from a list that apply to the object. What I am trying to do is use the data to confirm that a particular ...
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What is the name of the survey question style that forces a choice between non-opposite pairs of items, and why is it used?
I've seen personality tests and industrial / organizational psychology tests that force one to choose between non-opposing concepts. What is the name of this question style, and what are the reasons ...
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Which experimental design is this? Factorial vs within groups
I have two independent variables (age and gender) and one dependent variable (the results of a questionnaire using a Likert scale).
I'm trying to see whether age and/or gender have an effect on the ...
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54
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What variables allow one to empirically and scientifically quantify trends for learning curves?
Specifically, I am trying to quantify trends in learning for certain mediums of audio-visual communication, and what I've gathered so far suggests that there are 4 distinguishable types, being linear, ...
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Which is a better statistical option to compare differences across groups?
I have two groups (13 experimental and 13 control participants) performing on two cognitive tasks. I have accuracy (omissions, commissions) and reaction time measurement from each test for each person....
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How to random assign subjects to a group without any equipment?
I am working with a clinician and need her to randomly assign patients into one of two groups with the goal of having roughly equal numbers in both groups. The clinician does not have access to a ...
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