Good scientific research is based on measurements that are objective, valid, and

Question

Good scientific research is based on measurements that are objective, valid, and reliable. The brain stem's two main structures are the medulla and the pints. A key difference between operant and classical conditioning is that in classical conditioning a response is not required for a reward (or unconditioned stimulus) to be presented. Adolescents are more likely to engage in risky behavior when they are in the presence of other adolescents. Older adults who exercise their brains with challenging activities have a better chance of preserving their cognitive ability than those who do not. Loneliness is a risk factor for illnesses such as heart disease and cancer. The fifth edition of the DSM is expected to take a more dimensional view of many disorders than the DSM-IV. MAOIs are among the most commonly prescribed type of antidepressants. The leading cause of preventable death in the United States today is obesity. Some stress is actually beneficial for performance. The hormones epinephrine and norepinephrine are released from the adrenal glands in response to stress and are associated with the fight-or-flight response.

Explanation / Answer

1. True

Scentific objectivity- this characterizes claims, assumptions(like in aerodynamics), methods and results

Reliablity - This refers to the precision with which a scale or instrument assess.

Validity - This refers to how well the test measures.

2. True - The brain stem includes the midbrain, the pons and the medulla oblongata. But the two imortant/ main structures are the pons and the medulla oblongata.

3. True - classical conditionins, the conditioned stimulus is not simply connected to the unconditional response.

Whereas, Operant Conditioning has behavior's consequences, such as reward or punishment whihc come to control the behaviour.

4. True - Adolescence is a period of heightened vulnerabilty in taking risk because of the disjunction between novelty and sensation seeking along with the development of self-regulatory competence.

5. True - One of the many ways to build a better cognition and reduce/ diminsh chances of cognitve ability is to engage in brain traning excercises.

6. True - Loneliness and social isolation pose risk for heart disease/ stroke and cancer as well.

7. True - The fifth edition introduces an integration of a dimensional approach to diagonsis and classification with the current approach Whereas the previous editions used a strict categorical model.

8. False - MAOIs were the first type of antidepressant developed and today the most commonly prescribed class of antidepressants are the SSRIs.

9. False - The leading cause is Hypertension and smoking tobacco, while obesity is also a preventable cause of death.

10. True - Beneficial stress push you to the level of optimal alertness, behavioral and cognitive performance.

11. True - Epinephrine and Norepinephrine are released by the adrenal medulla and nervous system respectively.

fight-or-flight response is a process initiated by the nervous system when the body encounters stress.

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