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.

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If 10 words are presented at the same time, is it still considered a 'free recall' test?

I'm a little bit confused about the definition of a free recall test. According to Wikipedia: Items are usually presented one at a time for a short duration, ... If 10 items are presented at the ...
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6 views

Efforts to create metrics of understanding and comprehension of some sentence?

Let's assume that S is some sentence (e.g. theorem). Are there efforts to quantify how well some agent (pupil, student, machine agent) understands this sentence S (or some sent of sentences)? E.g., if ...
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1answer
101 views

What is the evolutionary advantage of being embarrassed?

What I am trying to understand is why do I feel embarrassed in certain situation. E.g. when I'm talking to people, why do I think about being judged or sounding stupid that would result me in ...
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49 views

Is there a basic mathematical relationship between IQ and learning speed?

Is there a basic mathematical relationship between IQ and learning speed? ... such as linear, exponential, etc? For example, if some number of people with an approximate IQ of 100 (95-105) take X ...
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36 views

Predicting workplace performance of job applicants? [closed]

As an employer who interviews engineering candidates, I'm interested in using the state of the art findings in psychometrics/psychology to predict which candidates are the most likely to be successful....
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1answer
141 views

Why do I perform better at rhythm games after a long period of not playing?

Every once in a while I decide to play Phase Shift (very similar to Guitar Hero). I might go weeks or months between plays, but when I return, I often break a high score within the first few songs I ...
3
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2answers
134 views

Efficiency of multitasking depending on task difficulty

How does the efficiency of multi-tasking differ by task type? My understanding is that multitasking impairs efficiency for cognitively challenging tasks. Does this apply to trivial tasks as well?
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39 views

Is there an inventory to measure competence in the workplace?

I'm currently doing a study where I chose to have HR management practitioners view a sample of resumes from applicants, and then have them give a competence score. I'm just not sure what kind of ...
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41 views

A framework for modeling tasks, behaviors and characteristics [closed]

I'm doing my master's thesis on evaluating startup team dynamics from an investors's perspective. To construct and argue the methods that I'm suggesting, I'd like to build a simple model of most ...
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1answer
132 views

Could the knowledge of the construct of self-efficacy affect the student's aptitude to a certain task?

I am a tutor for children with learning disabilities and i have read that they have lower levels of perceived self-efficacy than students without this learning disabilities. I decided to deepen the ...
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1answer
259 views

Yerkes-Dodson Law and Drugs

According to the Yerkes-Dodson Law, there is optimal point of arousal and performance. Suppose a person takes a stimulant such as Adderall. This would increase his arousal. However, it may increase ...
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256 views

For an average adult, in general, if one knows they will wake up in the middle of a cycle--is it better to go to bed later?

Let us say that one consistently goes to sleep at the same time every day, and sets an alarm for the same duration of sleep 7 hours and 45 minutes (e.g., 10:45pm to 6:30am). One day, they get caught ...
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75 views

Interaction between caffeine intake and biorhythm on alertness

Throughout the day, people's wakefulness and attentiveness varies, as modulated by one's circadian biorhythm. Whereas in the morning people are less awake, just before noon and around 15:00 people ...
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167 views

Grit — is it distinct from correlates of success?

There's been quite a splash in the field of psychology around the concept of grit introduced around 2007 (Wikipedia article). For example, the associated TED talk has been viewed more than 10 million ...
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2answers
181 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 ...
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1answer
49 views

Models of barriers to “Flow” (being in “the zone”)

This Wikipedia article is an excellent overview to the concept of Flow. The problem is, from personal experience, in one specific area, I think it's incomplete. To quote: Schaffer (2013) proposed ...
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1answer
407 views

How is “being in a flow” explained cognitively?

When wathcing the European Championship athletics, I hear many people talking about being in a "flow". Flow is defined as follows: Flow is an optimal psychological state that occurs when there is a ...
2
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1answer
39 views

Does the meta-analytic literature overestimate the relationship between conscientiousness and job performance?

There are quite a few meta-analyses of the relationship between personality and job performance (for a review, see Barrick & Mount, 2012; and specific meta-analyses: Barrick & Mount, 1991; ...
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17 views

Are there studies that compare the accuracy of forecasters that are asked to state probabilities vs. forecasters that are asked to state odds?

The Good Judgement project asks it's forecasters to estimate the likelihood of events occurring by asking them for probabilities (20%, 60%...). Sport betting usually communicates the odds of an event (...
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2answers
77 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 ...
4
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1answer
851 views

How to interpret intelligence test scores for an individual who has taken a test multiple times in quick succession?

Specific context: A test subject took the same Raven's Standard Progressive Matrices IQ test three times and first scored 115, then 107, and finally 143. The same test was taken three times within 3 ...
4
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1answer
511 views

How much sleep is needed for peak cognitive performance?

How much sleep is needed for peak cognitive performance? If some were to, for example, wake up one morning at 12:30PM, would a sleeping pill help obtain better sleep required for that performance the ...
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0answers
41 views

Theory about use of concept maps?

My background is Computing Science and I want to research how people use concept maps? By doing some google search I found the following link https://www.msu.edu/~luckie/ctools/ What I want to ...
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26 views

Standardizing sales data with dollar market data within USA [closed]

In the study of performance... One approach to standardizing sales data across different regions of the country may be to adjust for the relative wealth/purchasing power of the clientele in a given ...
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1answer
217 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). ...
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624 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% ...
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1answer
74 views

Performance of children at school in the morning

Our local council are changing the school day to 9:30 - 15:00 for my youngest son, my eldest in a different school starts at 8:20 and finishes at 15:20. I believe that children are more productive in ...
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72 views

Writing system, its future and social importance [closed]

I work on a rather specific subject, namely developement and inventing of writing systems (simply - alphabets). For some years it was just a hobby and creative exercise, but with time this hobby ...
2
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1answer
74 views

Does expecting to be in a safe situation elicit unsafe behavior? [closed]

When the traffic light is red you are aware that a car might comes rushing in. So you are extra careful and always check the street before you actual cross the street. But one the other hand if you ...
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5answers
463 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 ...
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2answers
92 views

Are hot-streaks in athletics real, and if so, is there a known psychological basis?

It is common to refer to an athlete who is enjoying a sustained period of success (e.g. a long consecutive game hitting streak in baseball) as being "hot", suggesting that something about their ...
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83 views

Does military background enhance personal productivity? [closed]

Is there any research investigating the effect (or correlation) of a military background of a person on his productivity, effectiveness and other characteristics? It is often casually claimed that a ...
4
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1answer
68 views

Efficiency drop when joining and splitting teams

What will happen when a team is either split or joined with another team? After reading about Tuckman's stages of group development, I understand that the new team will probably start at the beginning ...
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1answer
3k views

What are the cognitive effects of increasing testosterone levels in men?

I've recently became interested in the effects if testosterone on the cognitive function in men, but cannot find much hard scientific evidence on the subject. What are the cognitive effects of ...
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2answers
161 views

Does the time required to read a word grow linearly with the number of characters?

I recently installed a speed reader on my tablet. Now I wonder how the minimal time needed to read an $N$-letter word grows. There was this previous question on the relationship between sentence ...
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2answers
1k views

Does law of attraction have psychological basis? [closed]

A common claim in business and self-help seminars is that optimists are luckier. Is it true that optimism leads to greater success in life? If so, what part of the brain support this so called "...
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2answers
128 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....
4
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1answer
56 views

How is attention involved with the performance drop associated with multi-tasking?

Multi-tasking lowers productivity. What influences on attention cause the productivity of a multi-tasking person to be low? An example of multi-tasking is that a person is working on his assignment ...
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54 views

Identifying Overly Complex Tasks

It seems to me that societies frequently construct systems that may be too complicated for any individual to operate competently within. For example, the tax system, the legal system, the medical ...
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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/...
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315 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 ...
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1answer
317 views

Is there a way to hasten recovery from sleep inertia?

Sleep inertia is a transitional state of lowered arousal occurring immediately after awakening from sleep and producing a temporary decrement in subsequent performance. (1) There is study ...
2
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1answer
664 views

Why does splitting attention between a primary task and another task appear to improve performance on the primary task?

I've been thinking about my performance at various tasks and where my focus is at during them and something's really got me confused. It makes sense that devoting all my focus to a task while I'm ...
4
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1answer
192 views

How can we determine an appropriate rate of decay for our scoring algorithms?

We build scoring algorithms for different customers in an enterprise environment. Typically they tend to measure most goals in either weekly, monthly, or quarterly intervals. We use a scoring ...
4
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1answer
331 views

Solving T-shaped maze (probability learning): differences between rats and humans

From Jonah Lehrer's book "How We Decide", he mentions the experiments with rats and Yale undergraduates. I found the paper that (presumably) matches the experiment of rats. Brunswik, E. (1939). ...
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1answer
136 views

SSRI Medications and Problem solving [closed]

I'm an Electronics Engineer and I work in Software Development. I'm on SSRIs, for years for different conditions, like bipoar, GAD, ..etc. I feel that my problem solving abilities really dropped ...
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6answers
100 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 ...
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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 ...
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1answer
415 views

Effect of time limits on problem solving

I recently took part in psychological testing as part of a recruitment process to a job. I was not happy about the evaluation I got and I asked for a feedback discussion with the psychologist. The ...
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60 views

How does motivation relate to performance and to fun and to recognition?

Many studies indicate that for tasks that require cognitive skills and creative thinking, monetary reward does not work to improve performance. Rather, we should give people purpose, autonomy and ...