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.

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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: ...
4
votes
0answers
23 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 ...
16
votes
1answer
357 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: ...
5
votes
0answers
49 views

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

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 ...
3
votes
1answer
386 views

Are there cognitive benefits to two hand typing versus one finger?

I've been reading an old popular psychology book by russian psychiatrist Vladimir Levi. One of the things that he has his depressed patients try is learn to juggle. He insists that such activity ...
9
votes
1answer
184 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 ...
2
votes
1answer
77 views

Is a safe driving record correlated with any psychometric test scores?

A few years ago I was interviewing for a position with a subdivision of a large company in New York City. One of the things that hit me as odd about this interview was that the recruiter was ...
19
votes
2answers
819 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 ...
6
votes
1answer
301 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 ...
4
votes
0answers
86 views

When one activity makes you less distracted doing another activity? [closed]

Background: When I'm coding, I sometimes make tea, and as long as I'm drinking the tea, I find myself more focused. Drinking tea seems to make me focus more. Thus, it seems that while doing something ...
8
votes
0answers
377 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 ...
9
votes
1answer
107 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 ...
18
votes
1answer
432 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 ...
5
votes
1answer
340 views

What is the reliability of GPA?

I'm in the process of performing a meta-analysis that includes Grade Point Average (GPA) as one of the variables. For some purposes, it might be useful to have an estimate of the reliability of ...
6
votes
2answers
190 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
133 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 ...
8
votes
2answers
167 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
2answers
265 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 ...
7
votes
0answers
281 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 ...
3
votes
1answer
382 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 ...
6
votes
2answers
131 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 ...