Questions tagged [experimental-psychology]

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

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11 views

Differences in reaction time onsets of vocal and manual responses

I'm currently working on a study and incidentally found that reaction timings were slower for vocal responses compared to manual responses (i.e. 600ms for the manual response vs. 700ms for the vocal ...
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23 views

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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40 views

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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63 views

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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Measuring originality of a person on a sentence completion task

I conducted an experiment where I had 20 people complete 100 sentences with only one word. They had to come up with their completion independently of others and could give any answer they thought was ...
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2answers
64 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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49 views

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
35 views

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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1answer
21 views

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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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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177 views

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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1answer
61 views

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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49 views

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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42 views

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
15 views

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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28 views

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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1answer
42 views

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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1answer
24 views

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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30 views

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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1answer
41 views

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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1answer
121 views

Finding largest level of imperceptible noise in an image

Suppose that we want to find the "largest level" of a random noise that can safely be added to an image such that the resultant noisy image cannot be distinguishable from the original noise-free image....
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2answers
119 views

how to statistically analyse accuracy data (psycholinguistics)

My experiment is a naming task, in which participants name pictures and their vocal responses are recorded and the onset of vocalization. The data I am dealing with are reaction times in ms and ...
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1answer
91 views

What pro- or anti-environmental behaviors are feasible to measure objectively rather than with self-report?

One of the central challenges in understanding pro-environmental behavior is measurement. Currently, most researchers (including myself) lean on self-report of behavior. I'm looking for a brainstorm. ...
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86 views

How to use QUEST in a discrimination task

Similar to the question "How to use a QUEST staircase in 2-AFC”. I also have a question about using QUEST. In fact, I too tried to find an answer in Psychophysics: A Practical Introduction by Kingdom ...
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1answer
48 views

Does psychology lose it's validity when the subject is versed in psychology?

Quite often, I find myself conforming to typical psychological principals, and exhibiting predictable behavior based on external stimuli. However, upon better research of the psychology behind past ...
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What would be areas of ethical or safety concerns with a smartphone app interacting with people sleeping?

The BBC News article Hi-tech dreamcatcher defeats sleep amnesia mentions a recent talk by Adam Haar Horowitz and then describes some limited tests of an apparatus called Dormio at the MIT media lab, ...
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Uses of the Brief Anxiety Scale

I am currently completing my undergraduate research thesis on self-affirmations measured with anxiety. I am trying to see if the self-affirmation task reduces anxiety after. I found the Brief Anxiety ...
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1answer
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Cognition of people born by C-section vs born ordinarily?

Has there been any research comparing the cognition of people born via C-section to people born vaginally? During a vaginal birth, the baby's head is pressured and deforms somewhat in order to make ...
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Which experimental design is this? Factorial vs within groups

I have two independent variables (age and gender) and one dependent variable (the results of a questionnaire using a Likert scale). I'm trying to see whether age and/or gender have an effect on the ...
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2answers
96 views

Reason for Inter-stimulus-Interval in psychology studies

In many of the studies that I have read or participated in, I have seen that they show a blank screen between two stimuli. For example, in a study by Cohen et al. (2017), a training paradigm was used ...
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1answer
63 views

Experiments demonstrating irreligious people spontaneously developing superstitious rituals?

I saw a video in which four adults were led into a room with a digital counter on the wall (see below), and a collection of random objects on the floor: small boxes, hand tools, stuffed animals, ...
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150 views

In general, how does one resolve two competing theories in Psychology?

In looking at a post on twitter from a somewhat well-known psychologist Tal Yarkoni, he references a paper which lists multiple sets of competing theories in Psychology that have not been resolved. ...
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50 views

Name of sound-induced-hunger condition

When I was a student I used to notice that towards supper time, whenever I would go from my quiet study space to a place where people were talking, it people started to tell in my quiet space, i would ...
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What is a “norming experiment”?

I am a non-psychologist reading some papers from psychology. I keep seeing the term "norming experiment" (e.g. "Normative Representation of Objects: Evidence for an Ecological Bias in Object ...
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1answer
78 views

Is it recommendable to put participants in different conditions across trials?

In a pilot study we want to give participants 3 different problems. Those come in two versions, one (supposedly) easier than the other. Participants will randomly be assigned one version of the ...
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100 views

Should I look at the data of an experiment before the dataset is complete?

For a research internship I am running psychological experiments online. As it takes a while until the experiment is done (meaning that enough people participated, so that a sufficient sample size is ...
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Quasi-experiment: If I change some procedures from my pilot experiment, can I still compare post-intervention results to the pilot results?

I am running a quasi-experiment with English proficiency as a factor (native speakers=9, ESL speakers=10) I just completed a pilot and fully plan to conduct the intervention as closely to the pilot's ...
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Is there research that estimates when people think something supposedly random is rigged?

Let’s say you flip a coin three thousand times. If it comes up heads two thousand times, I think it’s safe to say that people will assume this is a rigged coin in spite of the fact that each outcome ...
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saccadic countermanding task

The saccadic countermanding task is used to measure response inhibition (https://www.sciencedirect.com/science/article/pii/S0042698999000115). It is basically the stop-signal task that makes use of ...
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519 views

How does this experiment prove a causal relation between coherence and good feelings?

I'm reading Thinking, Fast and Slow by Daniel Kahneman and I came across the following text: The Remote Association Test has more to tell us about the link between cognitive ease and positive ...
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333 views

How to prevent falling for Jingle-Jangle fallacies?

What are some ways to avoid the Jingle-Jangle fallacies when it comes to choosing a form of measurement in psychology research?
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55 views

Shipbuilding experiment about leader selection

I heard about an international research that was conducted more than 25 years ago. The following was the experiment: 25 teams, eight members per team, each team member with the same nationality had ...
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322 views

Platforms to make online experiments with counterbalancing

There are a number of different interfaces to make an place experiments online, e.g. in questions Software for online psychological experiments that don't require users to download anything or ...
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1answer
184 views

Long term effects of a high self monitor who voluntarily chooses a contradictory self-presentation

Are there any cases or studies of a high self monitor who intuitively chooses to act "by impulse" in order to reform said impulse? In other words when the HSM ...
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Innateness of perceiving music as happy or sad

From John Locke, An Essay Concerning Human Understanding, book 2, chapter 9: I shall here insert a problem of that very ingenious and studious promoter of real knowledge, the learned and worthy ...