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1500 questions
12
votes
2 answers
Fitting a psychometric function when data does not lend itself to a sigmoidal fit
I'm fitting a psychometric function to a range of data. The majority of this data lends itself to a sigmoidal fit (i.e. participants can do the task), but some individuals are absolutely unable to do the task. I'm planning to compare the slopes…
luser
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12
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1 answer
Is it actually helpful to write todo lists?
I've watched these two videos recently
How to Get things done which contains some tips from David Allen's book, "Getting Things Done", and the other video
How to hack your todo list which also contains some parts from the above mentioned…
DetectiveShmee
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12
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4 answers
Why is recognition easier than recall?
The main ways of memory retrieval are recognition and recall.
Why has it been found that recognition is "easier" to perform, meaning it is usually faster or is more likely to yield an accurate retrieval?
Ben Brocka
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12
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3 answers
How should results from linear mixed models (LMMs) be reported?
Are there any official APA guidelines for reporting linear mixed model results?
Can I take an approach similar to what would be done with an ANOVA (i.e., report the p-value, standard error and .95-CI for each main effect and interaction)?
What about…
Louis Thibault
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12
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2 answers
Why do men have greater variance than women in mental test scores?
Hedges and Nowell (1995) write that
Sex differences in central tendency, variability, and numbers of high
scores on mental tests have been extensively studied. Research has not
always seemed to yield consistent results, partly because most…
user1205901 - Слава Україні
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12
votes
1 answer
Spurious attractors in Hopfield networks
A classic "Hopfield network" is a type of artificial neural network in which the units are bi-stable and fully interconnected by symmetrically weighted connections. In 1982, Hopfield showed that such networks are characterized by an "energy…
Peter Helfer
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12
votes
1 answer
How do the blind dream?
Lately, a friend of mine has been telling me that he's been having recurring dreams involving a certain rabbi, who died around a hundred years ago.
Since there's been some controversy surrounding the truth of several famous pictures of him (some say…
Shokhet
- 255
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12
votes
1 answer
Do highly creative people dream more and/or differently than ordinary people?
Everybody dreams, and I'm trying to understand if there is a cause and effect relationship between ability to dream and recall dreams and creativity as an adult.
I would define the kind of creativity I'm talking about as creating art, designing…
Alex Stone
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12
votes
2 answers
Are introverts more talkative in written form than extroverts?
We all know that extroverts are in general more talkative than introverts in oral form. But how about written communication?
After having talked with lots of people on the internet and met several of them, I have the impression that the most…
Berit Larsen
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12
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0 answers
Publicly available social networks in apes and hunter-gatherer societies
Social network analysis is an indiscpensable tool for sociology, and is becoming increasing popular in anthropology, social-psychology and other fields. There are many papers that examine the structure of various social networks, especially modern…
Artem Kaznatcheev
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12
votes
1 answer
Why has behaviourism fallen out of favour?
The reasons for behaviourism as a philosophy and school of psychology to have fallen out of favour are well known and documented. However, when Newton's view of gravity was replaced by general relativity, his entire works were not then tossed aside…
Arnon Weinberg
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12
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2 answers
What is the most comprehensive system of describing human emotions or states of mind?
Reading about the human mind, I sometimes come across attempts to classify human emotions using various scales. The one that comes to mind most often is the 6 scale circle model shown below.
Is there one or more models of human states of mind or…
Alex Stone
- 9,390
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12
votes
3 answers
How to estimate IQ for public figures?
Background: I read a question on Quora that asked how intelligent is Barack Obama. A wide range of arguments were presented. The tone of the answers was not neutral because of the political context of the question. Furthermore, over the while I've…
Jeromy Anglim
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12
votes
3 answers
Do safety features cause drivers to engage in more risky behavior than they otherwise would?
It seems to be generally assumed that making cars safer for the occupants will reduce death, injury, and damage from traffic accidents.
What are some examples of significant empirical research on this topic? Specifically, do safety features cause…
Sinan Ünür
12
votes
3 answers
What tools are available for EEG analysis on the R platform?
I'm starting some EEG studies on attention, and would really like to use R for preprocessing (filtering/artifact rejection), visualization, and analysis, but I can find very little in the way of tools. If there isn't a standalone package, what…
Krysta
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