Questions tagged [experimental-psychology]

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

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Neuroscience & Epistemology - Feedback in Hermeneutic circle of Theory and Experiment

How good is neuroscience at closing this Hermeneutic circle in the Philosophy of science? I am referring to the interplay of theory and experiment. This is depicted in the following figure: ...
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What caused psychologists to be so wrong about the size of working memory?

They used to think that the size of working memory was 7 items, on average. Now, according to fMRI, it's believed to be only 4. Source: In his TED talk, around 5:20, Peter Doolittle says the estimate ...
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Is there a way to test psychological theories online? [closed]

There are some online simulations in physics and chemistry, nearly all fields of science can be simulated online. I wonder if psychology can be "simulated" too, and I wonder if there is ...
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Combining Discrete Choice Experiments with Theory of Planned Behavior

Topic background: How beliefs and personal values of a farmer influence his/her willingness to consider/adopt environmentally friendly innovations on-farm. I want to assess if relative preferences for ...
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39 views

Role play in laboratory experiments - literature hints?

I want to conduct a laboratory experiment with a cohort of students to assess the determinants of their willingness to adopt an environmentally friendly technology in farming. I want them to imagine ...
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Can you prove a psychological theory on a one-person research design?

Famous psychologists have proven their theories on a few subjects (really small sample sizes, like n = 3). Yet, now, we are taught that to prove any psychological theory right, we need to gather data ...
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How to make phrases in experimental conditions as similar as possible?

In behavioral economics and psychology, there are many experiments where participants receive variations of a piece of text depending on the experimental condition they are assigned to. For example, ...
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How to randomize order of two-way conditions with repetition in an experimental study design?

I am designing an experimental study. I have two treatments that will be shown to participants 4 times each (A total of 8 times). For a while, I have been looking for the best way to randomize the ...
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About runtime error

Whenever we manage to turn on the TPLOpen1 after calibrating the eye-tracker, it keeps broadcasting the following error message. "Runtime Error!" The following runtime error occurred: Client ...
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Practical Suggestions for Ambiguous Stimuli for Categorization Experiment

Does anyone have a suggestion of the kind of stimuli I could use for a categorization experiment that needs a range of clearly defined and a range of ambiguous stimuli? I need to produce both a range ...
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Educational Resources on construction of Unstructure/Information Integration categorization experiments?

I am currently trying reproduce, for learning purposes only, an experiment on the procedural learning of unstructured categories[1]. I have read the article reporting the experiment and some other ...
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Reaction when light is turning on and off

This question comes from a personal experience I've had over the last few days, 'experimenting' on my own. I have a light bulb in a room that is turning on and off periodically, let's say per second. ...
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The research on dishonesty

This question is in regard to the explanation power of the conducted experiments to prove the self-concept maintenance theory in Mazar et al.'s "The Dishonesty of Honest People?" (Verschuere,...
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What is the study design for 2 samples measured at different times that can be considered independent? [closed]

I am trying to figure out the name for a design study in the following scenario. Imagine a hospital where patients with a certain condition (say bacteria infection) are treated with a certain ...
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Nomenclature for mood, feelings and emotion in experimental-psychology

I'm studying music therapy and music-based interventions relating to Substance Use Disorder. Music therapy and music-based interventions are increasingly used for the treatment of substance use ...
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How to build a personal behavioural chart? [closed]

The question is realistically in two parts: how could a personal behavioural survey be constructed? are there any existing personal behavioural survey tools available? The behavioural survey may ...
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1answer
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How to run a multiple hierarchical regression with both categorical and scale predictors in SPSS?

I'm currently carrying out research for my masters dissertation and i've run into a critical issue while trying to analyse my data. I'm a psychology student looking into predictors of male rape myth ...
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21 views

Does Human Brain signal of same task in different time have the same characteristics?

I am currently doing some research about human emotion based on EEG classification. I do an experiment in that I show subject a picture about 3 state of emotion and record their EEG signal. I split my ...
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Are there mathematical models for multi-utility satisfaction?

In several places I have seen reference to the law of diminishing returns with regard to satisfaction. A common toy example is eating cookies. The first cookie gives some amount of satisfaction, the ...
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System 1 (fast and unconscious) thinking

Can you please recommend some literature about experiments used to study system 1 (fast and unconscious) decision making (Kahneman, 2011) in human or non-human animals? Reference Kahneman, D. (2011). ...
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1answer
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What statistical tests should be performed to test effect of trials on response times where each subject has different number of data-points?

I am running a behavioral experiment where a number of subjects (=20 in my case) perform a simple cognitive task. The experiment consists of a fixed number of trials (say, 40 in my case). During each ...
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1answer
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Looking for a source for Valence/Arousal values Russell's advance circumplex model of emotion?

I've been looking for a chart/table of Valence and Arousal values from the advanced Russell's model such as the one referenced in this article https://www.researchgate.net/publication/...
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Multiplayer online experiment software with speech?

I am trying to make an inventory of online experiment software for someone in my department. Ive been looking online and there seem to be a multitude of options regarding "classical" reaction time ...
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127 views

Is there evidence to support the Dunning-Kruger effect?

The well known Dunning-Kruger effect is oft cited as a general explanation for why people with limited expertise overestimate their abilities. Other than the initial research that described this ...
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1answer
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Has the Open-Source Psychometrics Project been well received by the community?

I am not a psychologist/psychology student, but I've just recently discovered the Open-Source Psychometrics Project, and I think it's great. To my untrained eyes, it seems like they have solid ...
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How does self-observation influence performance?

Assuming that the performance in performing a motor or mental task can be quantitatively measured (e.g. by measuring its duration, efficiency, and quality of the outcome) I wonder if there have been ...
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Terror management theory: Is this a valid conclusion based on the conducted experiment?

I am currently reading the book ‘The Worm at the Core: On the Role of Death in Life’. I have to say that I am a bit skeptical about many of the statements posed, and I’m trying to identify why that is,...
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Becoming an expert with accumulative hours of practice much less than the average expert?

Anders Ericsson's work is famous for creating the idea of "deliberate practice" and its creation of experts, but Anders also talks about how long hours are inevitable in becoming an expert. Let's ...
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Are there studies in psychology on how psychology researchers design experiments?

For example, give subjects a research topic, and observe how they conduct psychology experiments, in order to study the psychology of those who are asked to study psychology.
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How can I properly match subjects in my sample based on behavioral performance?

I have brain and behavioral data for which I am comparing two groups- younger and older adults. I would like to select a subset from the younger and older group that are matched for behavioral ...
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2answers
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What important psychological results would not have been discovered without experiments on non-human animals?

Many psychological experiments involve shocking animals, playing loud sounds near them, depriving them of social contact, etc. For example, Martin Seligman's studies of learned helplessness in dogs ...
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Effects of subliminal messaging

From what I've read up thus far, subliminal messages do have some sort of 'influence' over our decisions or atleast our thought process, to some extent. To what extent if any is the human mind or ...
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2answers
959 views

What is the difference between “target” and “foil” in experimental design?

What is the difference between "target" and "foil" in experimental design in psychology? And how is a foil different from a distractor?
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Are there any psychological studies of thirst following food that account for SFO-Nos1 activity?

Some studies up to 2015 surprising found that salty vs. non-salty food doesn't make much difference to thirst. E.g. a 2015 study found that: However, according to Prof. Leshem, despite our gut ...
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1answer
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In operant conditioning, how do you get the subject to “pull the lever” for the first time?

We're taught early on that the rat is placed within the following setup. In that diagram, there are no potential distractions for the rat. There's only a lever. 1) Does the rat simply 'discover' the ...
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Open data for behavioral psychology experiment?

I have a model I'd like to compare to the Drift Diffusion model, which is commonly used to model response times and error rates in two-alternative forced-choice tasks. Lots of publications use the ...
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Looking for a paper: Fear response in a computer generated VR environment

I am writing a paper on why people ascribe certain qualities to certain places. I seem to recall an experiment where the subjects used a virtual reality system to navigate a completely fictional ...
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1answer
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What is the difference between experience and knowledge and how could we make use of that in machine learning and AI applications?

Let's suppose that i am a blind person whom never had any experience with sight before. I will also suppose that i have started some courses to learn about the eyes and the way it function with ...
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Is there any empirical support to “chemical imbalance theory” for mental illness?

Has it been proved by measurement of chemicals in the brain that psychiatric disorders have either their origin or continuance due to chemical imbalance in the brain? I saw the documentary Diagnostic &...
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Is there any evidence that the Dunning-Kruger Effect applies to self-appraisals of soundness or reasonableness of judgement?

The Dunning-Kruger Effect is the peculiar phenomenon wherein those with the lowest ability also have impaired metacognition, resulting in a peculiar overestimation of their ability e.g. stupid person ...
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Has the John Calhoun's “Mouse Utopia experiment” been replicated? If so where, if no, why?

Here is a YouTube video summarizing his experiment. Over a number of years, the ethologist John B. Calhoun conducted over-population experiments on Norway rats (in 1958–1962) and mice (in 1968–1972)....
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How do psychologists measure malicious behaviour?

How do psychologists measure malicious behaviour in humans? Is there a definitive definition of what constitutes malicious behaviour? Are there varying scales of malicious behaviour? Is it possible do ...
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Are all personalities divisive?

Most people like the smell of oranges. You might say that the distribution of reactions to the smell of oranges leans to the right. Most people dislike the smell of sewage. You might say that the ...
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How many moving objects can a person count (on average)?

I wonder if experiments in perceptual or cognitive psychology have been performed following these considerations: Standard experiment: Present small numbers of simple items to a test subject, for the ...
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1answer
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What speaker is commonly used for low-latency audio stimulation

We need to purchase a new speaker for audio ERP study, so the sound should be played in lowest possible latency with lowest possible jitter. I have seen quite a few suggestion on the OS/driver/sound ...
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How to encourage people to experiment/try new things?

In a New York Times op-ed, Sendhil Mullainathan (professor of economics at Harvard) laments that it is difficult to get people to try new things or experiment. He gives himself as an example, saying ...
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Is there medical term for depression?

I have heard of many kind of depresssions. Depression is nothing but not letting our feelings outspoken . If we dont why it is said that the feelings stay inside and affect. Is it a solid particle ...
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When did the old term experimental reagent become experimental subject?

I've read a paper on an experiment called "The Feeling of Being Stared at", which investigates a concept which on Wikipedia is called the psychic staring effect. It was first investigated by ...
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How can two-way dependencies in factorial designs be interpreted?

Scenario: Given there are results from two factorial experiments that show a two-way dependency between two variables A and B. Details: In the first experiment A is the independent variable with two ...
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What is an empirical proof that two concepts are not independent/orthogonal?

Given there are two psychological concepts A and B that are considered to be independent/orthogonal. Would the following empirical results proof the opposite? If not why? In the first experiment A ...

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