Questions tagged [experimental-psychology]

For questions about the application of specific experimental methods to study psychology.

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3
votes
1answer
64 views

How to transform data to a frequency spectrum?

Recently, I studied a paper called "What Does Your Chair Know About Your Stress Level? It can be download at the link below. http://www.barnrich.ch/wiki/data/media/pub/...
3
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0answers
81 views

Isolating the desired event in EEG signals [closed]

When we took an EEG data from subjects, does the subject have to be in "neutral state" i.e there is no anger, no sadness, no happiness ...etc. and they also in situation that they neither do any ...
6
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1answer
307 views

Visual acuity and offset stimuli

I'm currently setting up and experiment that utilises a visual search task that contains a circular array of target letters and a distractor that falls outside the circle. Obviously the further away ...
4
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2answers
68 views

How can the effects of pain on cognitive functions be tested in an ethically accepted way?

I have devised a study that may provide an ethical way to invoke similar behaviours in participants, as those demonstrated by individuals in pain. Obviously it is extremely hard to correctly test ...
3
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0answers
109 views

Any research on a concept of 'empathetic preferences' used in economics?

Some economists/political scientists/philosophers (it's sometimes hard to classify them) have used in their theories a concept of "empathetic preferences", also known as "extended sympathy preferences"...
7
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0answers
285 views

Difference between Logan's Instance theory and Exemplar-Based Random Walk (EBRW) theory

I'm trying to find a clear explanation of the difference between Logan's instance theory (Logan, 2002) and the Exemplar-Based Random Walk theory (Nosofsky & Palmari, 1997). Am I mistaken that they ...
0
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1answer
113 views

Have there been any scientific experiments attempting to communicate with one's unconscious mind?

For the purposes of this question, I will define unconscious/subconscious as the parts of the human mind that are not normally available for introspection or control, but which are still involved in ...
4
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1answer
123 views

What are the key features of dreams that trigger dream recall in the waking state?

There are various ways of writing down dreams upon awakening in one's dream journal. I've seen long, detailed descriptions that read like novels and take a page or two. Then there are terse notes of ...
7
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3answers
557 views

Which is the shortest duration for a pitch difference in audio signals to be perceived by the human auditory system?

If I have two short audio signals, for example pure tone C4 and C#4, so half-tone difference, how short can they be that the human can hear the difference in pitch? Was there any blind-experiment/...
7
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0answers
566 views

Has there been a neuroscientific explanation of the color phi phenomenon?

The color phi phenomenon is a perceptual illusion in the visual domain which was demonstrated in an experiment by Kolers and von Grunau (1976). The experiment is as follows. A sequence of coloured (...
3
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2answers
652 views

Does Stroop test performance correlate with any personal characteristics or abilities?

Have there been any studies that found that an extremely high (or low) Stroop test score correlates with certain personal characteristics, abilities or aptitudes, or would all such conclusions be ...
5
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1answer
602 views

Do unequal step sizes in staircase procedure affect the convergence?

Consider a psychophysics procedure using a standard staircase method to adaptively find the threshold, using a 2AFC paradigm and a 1-up, 3-down method to determine the 75% threshold. Now suppose the ...
4
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1answer
69 views

Study of recollection of drawings based on labels

I remember stumbling across a very interesting study/experiment a few months ago. Now I want to try to find it again. Unfortunately I cannot for the life of me recall the name of the experiment nor ...
2
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0answers
32 views

How can I embed language proficiency assessment within an unrelated experiment design?

I'm in the process of designing a self-paced-reading & a grammaticality-judgment-task experiment, which should be performed by second language learners. It is crucial to the study is how the ...
4
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1answer
299 views

Optimal number of dimensions in multidimensional scaling

I have run an experiment on consonance-dissonance evaluation of musical intervals on 40 individuals using all the possible intervals from 3 registers (plus their inversions), and I want to apply a ...
4
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0answers
56 views

Frequency estimation in binary prediction task

In a binary prediction task, people often match choice probabilities to outcome probabilities (a phenomenon known as probability matching). However, under certain circumstances (eg, existence of a ...
3
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2answers
530 views

Can a self-paced-reading & grammaticality judgment task be programmed in PsychPy or Open Sesame?

I want to know if it is possible to design an experiment on PsychoPy or Open Sesame in which the subject does a self-paced reading (with measuring the reading times for each word), and then after they'...
6
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0answers
943 views

What to do when you have a speed-accuracy trade-off in your data?

Many studies report that a speed-accuracy trade-off (SATO) did not occur in the data since there is a positive correlation between RTs and error rates. In other words, people took longer to respond ...
3
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1answer
543 views

What hardware setup is commonly used for low-latency audio stimulation?

I need to carefully control the latency and timing of auditory stimulation in an upcoming experiment. Some of this depends on software, but my question is specifically relating to hardware, drivers ...
3
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2answers
215 views

What to call measures obtained between pre-test and post-test?

We term pre-test as the data collection/measures before conducting an experiment and post-test is data collection/measures after the experiment. How do we term the process of data collection/measures ...
4
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1answer
2k views

How to measure change in emotional responses when pre and post tests use different measures?

My research is to evaluate change of emotional responses of participants, after performing two types of game activities. Two groups of participants, Group A and Group B, will be assigned to Activity A ...
3
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2answers
3k views

How are research participants normally divided into equal groups to allow scientific comparison?

I'm neither a academic nor familiar with the proper English choice of words regarding research. However, I would really like to know a few things about the process of doing a research with people ...
7
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1answer
69 views

Is it possible to imitate two way communication between a brain and a limb?

Human muscles are controlled by action potentials that travel along the nerves. Below is an image of a train of action potentials that are decoded by the brain into a sensation or interpreted by a ...
5
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1answer
139 views

Binocular rivalry in animals?

Are there any experiments on binocular rivalry in animals? (In humans, brain responses to Rubin's vase are for example well studied.)
3
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1answer
98 views

What is the optimal combination of text and background color for EEG experiments?

Most studies that I know of use yellow text on blue background (though with different hues). This choice is mostly motivated by tradition ("We always did it like that. Never touch a running system")....
4
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3answers
639 views

Free software to run online visual category learning experiment

Is there any open software to support a visualization category learning experiment? It should be open-source, and I can add more functions designed by myself to implement this experiment.
5
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1answer
76 views

Is there any research showing success of teaching with smell?

Cognitive science holds that smell is the sense that has the strongest ability to trigger memories. It is discussed in awe. We see anecdotes such as the sudden striking memory of sitting in your ...
5
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1answer
60 views

Does explaining a visual guidance system affect visual attention distribution?

I'm working on a driving simulator that uses an eyetracker to monitor the users gaze behavior. Based on a study I modeled an optimal scanpath that the users should follow in order to best maneuver ...
0
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2answers
81 views

Is cognitive science hypothesis-based or bound to strict experiments involving statistics?

When I look at medical journal articles on Google Scholar I see a lot of stuff based on double blind placebo tests. From this, I've gathered that medicine often performs experiments. I've been in ...
2
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3answers
3k views

How to change someone's beliefs? [closed]

I tried to change my brother's beliefs. He gets motivated by some bad ideas. Following my attempt to change his beliefs, his beliefs have become even stronger.
2
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1answer
88 views

What is the psychological function of nostalgically reenacting activities from before we were born?

I'm asking specifically about nostalgia for a time before you were born, e.g. the Blitz parties / 40s tea dances that have big in the UK for the past decade, or the popularity of Speakeasy-themed bars ...
3
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1answer
169 views

How to structure affective picture stimuli for an EEG study?

I want to design an EEG paradigm for passive affective picture viewing. Can I use a block design for three different emotions, where each block represent a particular emotion? Or would a better design ...
4
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1answer
236 views

How to ethically research the effect of expert lies on lay people

I'm conducting a study about the effects of a verbally administered placebo. The actual setting and intervention are different from the example I give here, but similar enough that the example may ...
2
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3answers
305 views

How to run “inhibition of return” experiments online?

Are there online platforms for running inhibition of return experiments? I want to analyze different cultural groups and an online platform would be the only way to do so.
3
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1answer
61 views

Which ready-made programs can I use for running a preference-rating experiment?

I'd like to run an experiment in which 64 images are presented (1 at a time) and participants rate their preference for the image on a slider scale, and I'm wondering what the best and cheapest way to ...
4
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3answers
1k views

Split Brain Experiments on Animals

I was wondering what would happen if you took a split brain person and stimulated the pleasure center of one hemisphere and the pain center of the other hemisphere in conjunction with an external ...
2
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2answers
202 views

Name needed for psychological practice which uses objects that represent humans [dolls/pictures/etc.] during patient treatment

What is the name of practice/method (if such exists) where psychologist uses a doll (or any other form of human-being representation) for patient to talk to? I believe I have seen it in a movie or had ...
2
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0answers
404 views

Where to recruit paid participants for online Inquisit experiments?

My team and I are trying to use Inquisit for a reaction-time based experiment looking at attentional bias. However, with the no download policy on Mturk and CrowdFlower, we don't know a good site to ...
7
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3answers
321 views

Why did Richard Feynman appear to recommend replication before manipulation when conducting lab experiments?

In Richard Feynman's classic Cargo Cult Science speech. He talks about a type of scientific error made, where a person takes a previous experimental result for granted when designing an experiment. ...
4
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1answer
298 views

How does one make a decision between different cognitive tests for the same construct?

I would like to measure peak cognitive performance in healthy individuals, for situation awareness, reaction time, visuo-spatial processing etc. I am interested in both within-subject and between-...
3
votes
1answer
53 views

How can I create a set of comparable symbols of different shapes?

I was thinking about doing a small experiment during university course where participants have to answer a personality quiz and then they have to compare different symbols (like triangles, rectangles ...
4
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0answers
465 views

How to analyse accuracy, hits and false alarms in e-prime?

It's the first time for me to do analyses with e-prime, and I have to analyse some data from an experiment. The data are, at the moment, in e-prime. I'd like to have the accuracy, the hits, and the ...
5
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1answer
407 views

Why is my Gabor patch not resizing as a function of the bounding box?

I'm trying to create a Gabor patch of variable size for an upcoming experiment. Below is the python function used to generate the code. The code was ported from this tutorial for Matlab (assume <...
4
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3answers
200 views

Research software for conducting a task between card sorting and sketch map drawing

I'm doing research in Spatial Cognition and am looking for software which will allow me to conduct the following task: Participants will walk around a space and sit down to a computer task afterwards....
4
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0answers
32 views

Does a baby go for the most hard-to-get out of two presented objects?

While writing an essay I'm searching for some reliable source for the following experiment: A baby is placed in front of two identical fruits, one which is covered with a transparent box. I think I'...
5
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1answer
261 views

How can self-awareness be controlled and varied in a laboratory setting?

I was reading on deindividuation and its relation to self awareness. In many places, in the text that I am reading, it is mentioned that experiments were conducted to measure the effect of self-...
5
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3answers
375 views

What is the primary mechanism behind nationalism, sports-team-ism, product-ism etc.?

I'm interested in doing research on the subject of nationalism, but I believe that what I'm looking for is more generic than that. I observe that nationalism looks similar to the way that people feel ...
10
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2answers
1k views

How can experimental compliance (willingness of participants to participate) be measured?

I would like to have a measure for how willing and eager participants were during an experiment. I have the intuition that their eagerness to comply will profoundly alter results of psychological and ...
6
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1answer
168 views

Does intoxication ever improve reaction time?

Background: As I write this I am rather "tipsy." I wanted to do some experiments and test my reaction time. I noticed that ironically, my reaction times were a lot quicker than when I am sober. Is ...
6
votes
1answer
370 views

Descriptive models of different types of consciousness

In behavioral experiments we get the first-person responses of the participants. The third-person perspective is available through the collected data. There is a second-person perspective collected ...