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Questions tagged [performance]

Questions relating to the enactment of tasks within society and how this reflects on our internal characteristics. Tests and other assessments can act as measures of performance.

57
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1answer
12k views

Is leg jiggling a focus aid?

This is slightly left-field, but I am interested in the Cognitive Science implications of this question: Many people, myself included, are "leg jigglers", meaning we often sit jiggling or bouncing a ...
35
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4answers
2k views

Is multitasking a myth?

Often, the term 'multitasking' is applied to very busy and 'wired' people. There is an adage that women multitask better than men. My question is, do we actually multitask? If so, what are the ...
30
votes
3answers
3k views

Is there evidence that listening to music can aid/hinder concentration or performance?

I, like many computer programmers, love to listen to music while I work. I have always believed that music helps me stay focused and motivated, and improves my performance on many types of tasks, ...
28
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5answers
4k views

Why do higher incentives lead to lower performance for non-rudimentary tasks?

I have watched a number of times this excellent video where Dan Pink discusses the science of motivation. The video states that the higher incentives, the lower performance for non-rudimentary (not ...
28
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2answers
9k views

What is the most effective maximum work duration per day?

A related question asks about the best work-break schedule for an effective eight hour work day. This question presupposes that eight hours of work per day is a good duration and that all you need is ...
27
votes
4answers
1k views

Does learning one discipline improve performance in another discipline?

I have come across a lot of articles that suggest learning across disciplines would improve cognitive abilities. This is more often referred to as Integrative Learning. Also, nowadayas a lot of ...
27
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1answer
1k views

How long should I work before taking a break?

I'd like to work as effectively as possible for 8-9 hours a day, whether at work or studying. At some point in completing my major in psych I remember hearing about the importance of taking breaks ...
22
votes
1answer
783 views

Medium-term effects of polyphasic sleep on performance

Typical sleep patterns of one big block of 6 to 9 hours with no naps is usually referred to as monophasic sleep. A second natural sleep pattern is biphasic sleep which breaks up your sleep into two ...
20
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1answer
1k views

How long can a person stay happy, excited and motivated about something new?

I'm interested in learning more about studies or experiments that determine how long a typical person can stay excited about something new: ...
20
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2answers
2k views

Are autonomy, mastery, and purpose the most important motivators?

I've watched the amazing TED talk where Daniel Pink lays out the contrarian notion that greater extrinsic motivators are unimportant (and sometimes detrimental) in comparison to three intrinsic ...
19
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2answers
4k views

How long does it take to refocus after context switching?

Context switching has been highlighted for the toll it takes on productivity at great length, particularly by people who work in software and project management. Are there any psychology/...
15
votes
1answer
286 views

What does cognitive science say about whether to learn mathematics top-down from research papers?

There is currently a popular question on math.SE on whether it is effective to learn math top-down. By top-down I mean finding a paper that interests you which is obviously way over your head, ...
11
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2answers
35k views

Does masturbation in men negatively affect cognitive processes?

Gary Wilson has mentioned that porn and masturbation is an addiction that negatively affect mental performance. Moreover, there is some "pseudo-science" claiming that abstaining from masturbation ...
11
votes
3answers
561 views

What is the distribution of performance in academic programming subjects?

On Programmers SE there is a popular question about scientific evidence for whether some people either are or are not able to program. One person cites an unpublished manuscript by Dehnadi and ...
11
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2answers
262 views

Do the students that report “friendly” teachers perform better on standardized tests?

I'll preface this by saying that I've been considering this question in light of the "Summer of Love" initiative and subsequent blog posts, which are looking at the extent to which comments are "...
11
votes
2answers
327 views

Does Facebook activity predict job performance?

I've seen a little bit of discussion in the media about Facebook being used in selection and recruitment settings. Assuming an employer can gain access to a person's Facebook profile, have any ...
11
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1answer
1k views

What are the effects of alcohol on muscle memory?

Muscle memory (also referred to as "motor memories") is a form of procedural memory, which is a form of implicit memory. I'm particularly interested in trained tasks like throwing a dart, shooting a ...
10
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3answers
534 views

What are effective strategies for increasing concentration and motivation when doing seemingly passive activities such as reading journal articles?

Background Unfortunately I am not a specialist in Cognitive Science I am just a regular CS student who has big interest in cognitive science. I want to share with you some interesting observation I ...
10
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2answers
2k views

Does individual work performance follow a Paretian distribution?

O'Boyle and Aguinis (2012) wrote a paper arguing that individual job performance follows a Paretian distribution rather than a normal distribution (put simply, a very long tail to the right, rather ...
10
votes
2answers
463 views

Do ADHD drugs harm the brain?

Particularly, the amphetamine "vyvanse". If one was to take a 30mg dose once a day for 50+ years, would it damage brain function at all? Would the brain simply get used to the drug and become 100% ...
9
votes
2answers
228 views

Does self-rated performance predict objective performance over and above other-rated performance?

Context: I was at a talk today where data was presented where a group of sports people ranked their own performance and everyone else in the group. This enabled self-rated performance to be ...
9
votes
1answer
938 views

What causes fear of failure to lead to lack of effort and actual failure?

Background: I'm having hard time motivating myself to study. In my first year I was a very good student, I had the motivation to study because I wanted to compete, it was first and maybe hardest year. ...
9
votes
1answer
187 views

What is the effect of merely expecting an interruption on performance?

There's a lot of research about how interruptions affect cognitive performance. Are there any studies that have looked at the effect of merely expecting to be interrupted (withou being actually ...
9
votes
2answers
307 views

What is the optimal exercise regime for improving cognitive functioning?

It seems that researchers agree that physical exercise increases cognitive abilities. This seems to work universally for all ages: children, adults and old people. It is suggested that everyone ...
9
votes
1answer
333 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: ...
9
votes
1answer
119 views

What are the considerations for using wide-reaching messages and training over individual-focused efforts for changing behavior?

In most places that I've worked, when some sort of problem arose or corrective action needs to be taken, one of the first responses is to send mass emails at an organization or team level and set up ...
9
votes
1answer
265 views

Are intelligence scores correlated with detection of second stimulus in an Attentional Blink test?

Definitions Attentional Blink: An attentional blink is a phenomenon where when presented with rapid visual stimuli if you are asked to track two particular stimuli you will fail to notice the second ...
9
votes
1answer
375 views

Can lucid dreaming detract from the recuperative effect of REM sleep?

Imagine you mastered lucid dreaming, so you have a lucid dream every night. You might want to use this phase to do creative work or problem solving. Would this have a negative influence on the ...
8
votes
5answers
434 views

Why can't we use 100% of the brain in a certain moment?

I know it's a myth that we only use 10% of our brain, but the point is that we use less than 10% in any given moment; only by using different parts of our brain for various tasks over time do we ...
8
votes
1answer
76 views

Does distraction cause us to skip to the next step in a motor plan?

Often, if one is concentrating too hard on a particular task, it seems as though it's quite easy to skip to the next step of a plan of action. For example, a baseball infielder may attempt a throw to ...
8
votes
1answer
115 views

Is there a metric of the overall excitation of the brain or nervous system?

I'm thinking of a way to describe what's happening to a single channel EEG/MEG sensor output. I've noticed that there is significant difference in the readings from a quiet observations, versus a ...
8
votes
0answers
605 views

How much sleep is required to restore maximum cognitive functioning? [closed]

Background: Recently I have really messed up my sleep schedule due to my procrastination. The internet points to some very basic conclusions but I would like to see actual experiments on effects of ...
7
votes
2answers
535 views

Are motivation and efficiency inversely correlated?

Observation: Motivation and efficiency seem appear to me to be inversely correlated for most people. That is, I know some people who tend to get very excited about a goal and take large amounts of ...
7
votes
3answers
990 views

Can intense multitasking improve fluid intelligence/working memory?

The Dual N-Back task is the only task I'm aware of that has empirical support showing that it improves working memory. It appears to improve working memory through multitasking, although this ...
7
votes
6answers
94 views

Are points still a relevant mechanic?

When talking about gamification people's mind almost immediately go to points. It is probably the quintessential mechanic. However, thinking of games, it's no longer heavily used. It's still in use ...
7
votes
2answers
430 views

What is the relationship between self-perceptions and actual driving ability?

I've often heard it said that almost everyone thinks that they are a better than average driver. If this is true, it could be explained by a number of theories. Some of these are outlined in this ...
7
votes
1answer
930 views

What is the cognitive cost of switching contexts?

A common reason to use Conventions and standards in Human Computer Interaction is to limit the cost of Context Switching. I searched to find general evidence of the cognitive costs of context ...
7
votes
0answers
298 views

Do expert computer gamers have unusual physiological or mental characteristics? [duplicate]

Possible Duplicate: Any work being done on Perception, Action, and/or Cognition in Video games? Are there any research studies that show this? See a thread on Quora for some initial discussion, ...
7
votes
1answer
145 views

How much additional sleep is required to recover from a given number of hours of sleep deprivation? [duplicate]

A previous question dealt with whether it is possible to catch up on lost sleep. This question is a little different. Assume that a healthy adult has been deprived of sleep for "x" hours. How much ...
6
votes
2answers
161 views

Studies modelling learning curves of an overall task and subtasks

Background Lee and Anderson (2001) published an article in which they argued that learning a complex skill can be understood in terms of learning various component skills. They did this by ...
6
votes
2answers
131 views

What correlation is there between breath control and personal self confidence?

In yoga, the instructor mentioned that controlled deep breathing can increase self-confidence. (Next time, I will ask him why he believes that but I doubt he has any references...) Furthermore, ...
6
votes
2answers
124 views

Is it good to take playful breaks at work?

I read this Washingon Post article about groups that are trying to encourage play in "workaholic" adults. I'm curious if anything is known on the psychological effects of taking playful breaks at work....
6
votes
2answers
77 views

How can employee anxiety over poor evaluation be avoided by management?

When implementing gamification, what are steps that management can take to prevent a culture of anxiety among employees, when employees feel they are constantly being monitored and begin to worry that ...
6
votes
2answers
76 views

Provable ROI for call center rest periods?

Think you can help make life better for a nation of call center workers? At a large insurance company, I used to work in the call center for both Auto Claims and then Homeowner Claims, before I was ...
6
votes
1answer
213 views

Sleep deprivation and task performance

Case: In case of an adult, the average adult sleep time required is 7.5 to 8 hours. Suppose the person (aged between 23-29) has slept only 6 hours, or less than the average time (7.5 to 8 hours). ...
6
votes
0answers
74 views

What is the relationship between practice and performance of telephone call centre workers?

I am interested in modelling the relationship between practice and performance both in laboratory tasks and field settings. I was interested in what existing research has examined how the performance ...
6
votes
0answers
107 views

What are the common nutritional deficiencies in western countries related to reduced mental performance? [closed]

What are the common nutritional deficiencies in western countries related to reduced mental performance ? I've heard about omega 3, folid acid, and vitamin D deficiencies, the last two are now reduced ...
6
votes
0answers
225 views

What happens neurobiologically when people “think fast”? [closed]

This question is related to this one: How long can a person stay happy, excited and motivated about something new? I found a couple of references to research that links "thinking fast" to mood lift: ...
5
votes
2answers
177 views

Can you practice and improve physical activities only by thinking?

By physical activities I mean any kind of task, work, sport, you have to use your body. Not always have the time to do some task or even the possibility (need some equipment, not great situation). I ...
5
votes
1answer
807 views

What is the effect of ADD/ADHD on performance variability on cognitive tests over time?

I've read research reporting that lower IQ is correlated with higher variability in reaction time. But such research does not seem to disentangle the possible effect of ADD, in which case you might ...