NTA-NET (UGC-NET) Psychology (04) Research Aptitude-Experimental Design Study Material (Page 5 of 5)

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Experimental Design: True Experimental Design

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True Experimental Design

Explanation of True Experimental Design

It employs both control and treatment group and means to measure changes in both groups. All confounding variables are controlled or their impact is considered. Randomization like random assignment is the cornerstone of such design. True experiment is the only research method that adequately measures cause and effect relationship.

  • Posttest Equivalent Groups Study: This study employs randomization and comparison of both control and experimental groups, but it lacks pre…

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Important Concepts in Research: Nocebo and Novelty Effect

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Nocebo Effect

It is a negative or harmful result received after having a placebo.

What is It?

The nocebo effect is the opposite of the placebo effect. It describes a situation where a negative outcome occurs due to a belief that the intervention will cause harm. It is a sometimes forgotten phenomenon in the world of medicine safety. The term nocebo comes from the Latin ‘to harm’ .

For adverse reactions to medicines, nocebo implies that patients are more likely to experience an adverse effect if they expect or are worried about the adverse effect. The adverse effects may be physically experienced by the patient and are often clinically diagnosable. An example of th…

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