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1

The concept of creativity per se makes it hard to measure it in a standardized way, since creativity by definition opposes standardization. Even tests such as the one suggested by Krysta run into the problem that in order to rate answers with regard to their rarity will have to rely on some kind of standardization according to which one can rate the answers ...


3

The purpose of unbiased hit rate is to avoid invalid conclusions in cases where subjects indiscriminately use one (or only few) response options. To give an example (responses in rows, stimuli in columns): Happy Sad Angry Fearful Happy 1 0 0 1 Sad 7 8 6 5 Angry 0 0 0 0 ...


3

The Torrance Test of Creative Thinking is a good place to start. It scores for fluency (number of responses) as well as originality (statistical rarity of responses) and elaboration (level of detail) on a variety of different tasks. The validity of the TTCT has been examined with several long-term studies, so there is a fair amount of data on its ...


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What you are looking for is called Hierarchical, Multi-level or Random-effects model. In your particular case the solution is a hierarchical logistic regression. Assume $y_{st} \in \{0,1\}$ is the response of subject $s$ on trial $t$ and $x$ is the dependent variable then a simple hierarchical model that solves your problem is: $y_{st}\sim ...


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This seems difficult for a number of reasons. First, are you interested in testing the retrieval of pre-existing semantic memories or the ability to form new semantic memories? It is entirely possible that exposure to nature increases one without the other, so be sure you're testing the one you're interested in (or both, carefully). Second, semantic ...



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