9
votes
0answers
282 views

Fitting a psychometric function when data does not lend itself to a sigmoidal fit [pypsignifit]

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 ...
9
votes
2answers
495 views

Plotting publication-quality ball-and-stick models of brain connectivity in 3D

I'm working on brain imaging (fMRI) and I'm looking for a way to plot brain effective connectivity (dynamic causal modeling) parameters between different brain regions in a 3D plot. The plotting ...
10
votes
3answers
834 views

What is the effect of motherese on development?

Most cultures (Falk, 2009) have a special type of language that is used to talk to children: infant-directed-speech (IDL; or informally, motherese, baby talk). For instance, Fernald (1992) argues that ...
16
votes
1answer
529 views

Subconscious vs Unconscious

From what I know, we use the term 'subconscious' to refer to the things that we can bring into our conscious. and, we use the term 'unconscious' for things that we can't know, they come automatically ...
18
votes
3answers
869 views

What are current neuronal explanations and models of 'consciousness'?

I would like to understand more about consciousness from a neuroscientific perspective. I have a limited understanding of it in the philosophical/psychological sense through lectures. Although it is ...
16
votes
2answers
708 views

Applications of computational learning theory in the cognitive sciences

Computational learning theory (CoLT) is a branch of theoretical computer science associated with the mathematical analysis of machine learning. A lot of the early ideas of the field take inspiration ...
2
votes
3answers
468 views

Is this optical illusion the visual equivalent of binaural beats?

The optical motional illusion shown below, makes your brain see some motion, where there is none. In my opinion it's fascinating, although after a while you get a headache. It reminds me of ...
7
votes
1answer
233 views

For depression diagnoses, does one make a clear distinction between endogenous and exogenous causes of depression?

Roughly speaking, we might imagine that people have depression predominantly for one of two reasons: Endogenously induced: The person has some inherent inballance between different ...
4
votes
1answer
64 views

Are there any applications of choice modelling to romantic relationships?

Background: I was at a talk today where the presenter discussed a study that involved a administering a couple of questions asking participants which of two people they would prefer as a relationship ...
3
votes
1answer
121 views

What was his name again…ahh got it!

You all know the situation described in the title. You forgot something and start to search your memory and then after quite a while it jumps right in front of you, out of nowhere. My questions are: ...
2
votes
1answer
159 views

What do within-subjects studies of job applicant personality test faking say about the covariance between developmental and job applicant scores?

Some studies of faking personality tests in selection and recruitment have used a within-subject design. These studies involve administering a personality test in two conditions. One condition is ...
6
votes
2answers
201 views

What's the name of this visual search task?

I recall a visual search task where participants would search for a single item with either one or two distinct features. For example one would look for an X in a set of Os as "one feature" or instead ...
3
votes
2answers
52 views

What article reported variability in supporting hypotheses across disciplines?

I recently read a blog post talking about a journal article that compared the degree to which journal articles support their hypothesis. A comparison was done across disciplines, and if I recall, ...
9
votes
1answer
523 views

Are there emotions that only some people can feel?

Presumably, there are emotions that almost any person can feel, such as happiness, sadness, guilt, and embarrassment. But are there emotions that only a small fraction of the population can feel? ...
5
votes
1answer
127 views

Can learning styles be changed?

Fleming's model of learning suggests 3 types of learners : Visual: Learns by visually taking screenshots of data or by remembering pictures/scenes etc. Auditory: Learns by hearing; can be by hearing ...
6
votes
1answer
85 views

What type of behaviour is showing, but withholding, a reward?

A specific example of what I mean is: when you go shopping at a supermarket with a loyalty card system, and you do not participate, the receipt say something along the lines of If you had a ...
4
votes
1answer
112 views

What is the term for judging based on a simulation of the same parameters on oneself

Allow me to outline the observed process and three hypothetical examples below. For the sake of keeping the samples simple, I will ignore prior moral or religious convictions that a regular person ...
13
votes
1answer
261 views

Does the Sapir-Whorf hypothesis apply to artificial (specifically programming) languages?

As a computer programmer, I have an intuition that the idea "language influences thought" is very relevant to programmers and programming languages. Is there any research that examines whether ...
6
votes
1answer
183 views

Bayesian models of faking in selection and recruitment settings

I'm doing some research looking at applying Bayesian models to faking personality tests in selection and recruitment. I'm interested to know: What existing work has applied Bayesian models to ...
2
votes
0answers
146 views

How does a researcher typically go about conducting a survey-based psychological experiment? [closed]

What is a typical approach to conducting a survey-based psychological experiment? There seems to be a host of issues involved; some that seem particularly important are: the appropriate design of ...
13
votes
2answers
285 views

What factors improve mood and increase cognitive functioning when people wake up?

I'm a software engineer doing some research in order to figure out if developing some applications are worth the effort. This work is applied to computational devices including mobile devices and even ...
10
votes
5answers
313 views

Visual search: complexity of positive vs negative search tasks

Thinking about experiments where participants perform visual search tasks, I remember hearing in a Cog Psych lecture that if the instructions of the task were of the form "find the element that has ...
4
votes
2answers
624 views

When is it best to use PsycINFO versus Google Scholar?

PsycINFO is a abstracting service provided by the APA dedicated to research in the behavioural sciences to which many universities subscribe. Google Scholar provides a free abstracting service that ...
7
votes
1answer
304 views

Does completing a thesis make you a better practicing psychologist?

I am a strong believer in the importance of the scientist-practitioner model for psychology. I think that training in the scientific method is a major component of what makes a person trained in ...
7
votes
1answer
78 views

What is the correlation between objective indexes and aggregated self-report measures of life satisfaction?

The Better Life Index and other indices seek to overcome the limitations of GDP in assessing social progress. They provide a composite score with which to rank nations on a range of indicators such as ...
6
votes
1answer
82 views

Whether to ask satisfaction and importance questions for each item in a survey?

Job satisfaction and opinion surveys ask respondents to provide ratings on a set of items. One response scale might be a five point rating scale measuring satisfaction (e.g., 5-point strongly ...
7
votes
1answer
104 views

Is it possible to distinguish recall and calculation?

Say I ask subjects what $20 \cdot 20$ is. Is there any way, besides introspection, to evaluate whether subjects recalled the answer or calculated the answer? In general, I would expect that the ...
16
votes
3answers
298 views

Do only humans spend a lot of time daydreaming (or having “stimulus-independent thoughts”)?

A paper Killingsworth et al., A Wandering Mind Is an Unhappy Mind, Science 12 November 2010: 932 (or a free pdf) starts with the following statement: Unlike other animals, human beings spend a ...
5
votes
1answer
116 views

Perceptual flicker when rotating my face

Informal Experiment: I look up at a wooden beam on the ceiling, or I look at the office door; both the door and the ceiling are about 2 meters from my face. I rotate my face 90 degrees left or right ...
3
votes
1answer
96 views

How do you refer to something in APA-style that is not submitted to be published?

I'm writing a paper in APA-style. At the end of it, I have my references. There is this one paper (actually an internship report) that I refer to, but it hasn't been submitted for publication. How ...
9
votes
1answer
582 views

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 ...
10
votes
1answer
294 views

Sensory Immersion Research?

Sensory deprivation is a relatively common technique for medititation and general consciousness-exploration. However, I'm more interested in sensory immersion. That is, deliberate overstimulation as ...
7
votes
1answer
763 views

What is the relationship between post-traumatic stress disorder and fugue states?

The introduction of the new edition of the Diagnostic and Statistical Manual for Mental Disorders ("DSM-5") is on the horizon. With it are coming some new, evidence-based diagnoses for dissociative ...
8
votes
1answer
149 views

Are there any journal articles in psychology that have promoted and discussed reproducible data analysis?

I consider reproducible analysis to be really important. In particular, I'd like to see more researchers in psychology: sharing their data producing their journal articles using literate programming ...
7
votes
1answer
190 views

How do people that can't perceive 3D view a stereoscopic 3D image or movie?

According to Mendiburu (2009), 3-15% of the people can't view a stereoscopic 3D image or movie, mostly due to poor binocular vision. Imagine one of those is in the movie theater, trying to watch a 3D ...
7
votes
1answer
710 views

Do high heels increase female attractiveness in men only through indirect means?

It seems widely accepted that, overall, men tend to find women in high heels more attractive. (There will, of course, be many exceptions to this rule.) "High heels may well be the most potent ...
8
votes
1answer
211 views

Do ability tests predict maximal more than typical job performance?

I have often read that ability tests are indicative of what people "can do", but that job performance also depends on what people "will do". For example, Ackerman and Beier (2012) wrote that: ...
10
votes
1answer
636 views

What does “veridicality” mean in terms of psychology?

I'm reading the paper "Visual Space Perception and Visually Directed Action" by Loomis, Da Silva, Fujita and Fukusima (1992; pdf). In this paper, the word 'veridicality' is used in several sentences. ...
4
votes
1answer
176 views

Physiological differences between brains of Conservatives and Liberals

I work for a non-profit research organization and I have been assigned to do research on this topic. I have been doing my best to find studies on this topic but every website and article seems to ...
4
votes
1answer
105 views

Do fetuses exhibit pattern recognition in utero?

I've heard that fetuses exhibit "likes", such as preferring sweeter amniotic fluid or the sound of their mother's voice. To show preference for specific voices as opposed to inborn stimuli like sweet, ...
6
votes
1answer
119 views

Phenomenon that causes music to sound like it's being played at a different tempo than remembered?

Something I've noticed now and then is that I'll be listening to a song off my music player and it sounds like it's being played in a tempo faster or slower than I remember the song being. Is this a ...
11
votes
1answer
569 views

Can you catch up on lost sleep?

The lack of sleep has many negative effects associated with it. Maintained sleep deprivation results in a degraded performance over time (in this case reaction time). Assuming one needs 8 hours of ...
10
votes
1answer
274 views

What types of sounds do young infants prefer?

I've learned through course lectures that infants can recognize faces shortly after birth (Slater & Quinn, 2001), and have a visual preference for human features as young as 1-month-old (Sanefuji ...
1
vote
1answer
427 views

At what age are infants first able to perform pattern recognition?

Chronologically, when is pattern recognition first developed in an infant? To be considered the first, abilities observed in that instance should prolong throughout the development process. In other ...
9
votes
3answers
1k views

What is the standard way to analyze EEG data in a mismatch negativity paradigm?

I'm running an EEG experiment using a modified auditory mismatch negativity (MMN) design, and I'm wondering if anyone can tell me the best method for data analysis (and recommend any stats ...
7
votes
2answers
166 views

The current recommended text for statistics in behavioural sciences

I have an old book: Statistics for the Behavioural Sciences (4th ed.) by Gravetter & Wallnau. I want to transition my textbooks to eBook format, but this book doesn't come like that (as far as I ...
2
votes
0answers
351 views

Does the ability to manipulate your environment affect the type of intelligence?

There are several animals on earth that show certain kinds of intelligence. Some animals have extensions to manipulate their environment and some do not. Think of humans and squids (hand/extension ...
5
votes
1answer
70 views

Is there any evidence to support a correlation between how much bodily energy you are using, and how quickly time appears to pass?

It seems to me that time passes more slowly when I am drinking coffee, but when I stop, or I am tired it seems that time passes a lot faster. Could this have something to do with the sampling rate at ...
5
votes
0answers
40 views

What is the state of the art in computerised coding of Thematic Apperception Tests (TATs)?

Thematic Apperception Tests (TATs) involve showing test takers pictures and getting them to write stories based on the pictures. Coding such stories for themes and traits can be complex, ...
8
votes
2answers
335 views

What are the appraisals tendencies for fear and anger?

I understand the actions tendencies for fear and anger. For example: We might verbally insult someone when we are angry. We might feel like running away when we are afraid. According to appraisal ...

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