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Human variability, or human variation, is the range of possible values for any characteristic, physical or mental, of human beings. Frequently debated areas of variability include cognitive ability , personality , physical appearance ( body shape , skin color , etc.) and immunology .
Human behavior is the potential and expressed capacity (mentally, physically, and socially) of human individuals or groups to respond to internal and external stimuli throughout their life. Behavior is driven by genetic and environmental factors that affect an individual.
In the field of human factors and ergonomics, human reliability (also known as human performance or HU) is the probability that a human performs a task to a sufficient standard. [1] Reliability of humans can be affected by many factors such as age , physical health , mental state , attitude , emotions , personal propensity for certain mistakes ...
How they are experienced, expressed, perceived, and regulated varies according to cultural norms and values. [3] Culture is a necessary framework to understand global variation in emotion. [4] Human neurology can explain some of the cross-cultural similarities in emotional phenomena, including certain physiological and behavioral changes.
Attitudes can be changed through persuasion and an important domain of research on attitude change focuses on responses to communication. Experimental research into the factors that can affect the persuasiveness of a message include: Target characteristics: These are characteristics that refer to the person who receives and processes a message.
These can be all positive, all negative, or a combination of both positive and negative. [14] Some research shows also that feelings of reward are separate from positive and negative affect. [15] Research also recognizes that when evaluating subjective well-being, approaches to affect can be interchangeable between children and adults. [16]
Values are one of the factors that generate behavior (besides needs, interests and habits) and influence the choices made by an individual. Values may help common human problems for survival by comparative rankings of value, the results of which provide answers to questions of why people do what they do and in what order they choose to do them.
However, it is difficult to disentangle possible genetic factors from a parent's attitude or use of language, for example. [4] A child's ordinal position in their family has also been shown to affect intelligence. A number of studies have indicated that as birth order increases IQ decreases with first borns having especially superior intelligence.