Which of the following is not true about type a behavior pattern? a) it has a direct influence on the level of stressors that a person confronts. b) it refers to people who tend to be hard-driving and have a strong desire to achieve. c) it has been directly linked to the coronary heart disease. d) it refers to behavior patterns such as sense of time urgency. e) it promotes physiological but not psychological and behavioral strains.

The correct answer is e. It promotes physiological but not psychological and behavioral strains.

Explanation: Type A behavior pattern refers to certain traits and characteristics regarding how people, in general, respond to stress.

People with Type A behavior/Personality tend to respond in certain ways to live stressors. They usually are hard-driving and have a strong desire to achieve.

People with Type A personality are more prone to suffer from coronary heart disease, with multiple factors leading to it such as higher levels of cortisol in the blood due to chronic stress.

To people with Type A personality everything is urgent, tasks must be done immediately and there's no time for resting.

Type A behavior patterns indeed promote both physiological and psychological strains-

Strains put or pull people toward certain behaviors and a Type A behavior pattern promotes a wide variety of behavioral and psychological strains such as those mentioned before.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

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