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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: RE: Types of validity posted by RGA on April 4, 2022 at 05:32:12:
RGA wrote: "2) HK has a conflict of interest - they are in control of the test and control the listener training telling people what to listen to and for. People selling you the speakers and conducting tests to ensure their product wins said test is problematic."
It depends. Biomedical researchers, including psychologists, have ways of controlling for this kind of bias (although it still occurs)
If the tests are actually conducted by people following a printed set of instructions who have no idea of what speakers are being tested, and if the researchers aren't keeping back disconfirming results, then the data isn't tainted. Also, replications by others are essential, and I don't believe that has occurred.
3) with the above two problems the reliability is largely worthless because it is apples from a sour tree."
Do we know whether the researcher are actually telling participants ("subjects") what to listen for? Or are they simply having the participants rate what they like? The idea of the HK curve is that it's supposed to reflect what people **like.**
Now, it's interesting that you mention psychology professors and ESP tests. Darryl Bem, a well-respected social psychology prof emeritus at Cornell, did a series of studies showing that (in his view) psychic phenomena exist. Do read this description of his results and think of alternative explanations for them:
https://news.cornell.edu/stories/2010/12/study-looks-brains-ability-see-future
Others failed to replicate his results. Bem then did a meta-analysis of replication studies and found support for his conclusions about psi:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4706048/pdf/f1000research-4-8494.pdf
I remain a psi-skeptic, but I am open to persuasive evidence.
Book recommendation: My friend Stephen Braude, Ph.D., is a professor emeritus of philosophy, musician, avid audiophile, and past president of the Parapsychological Association. His book "The Gold Leaf Lady" (link below) is an entertaining account of some of his personal explorations of "anomalous experiences," as some psychologists call them.
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Follow Ups
- RE: Types of validity - pbarach 04/4/2207:48:18 04/4/22 (0)
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