A Study Was Designed to Investigate the Effects of Two

question 81

Multiple Choice

A study was designed to investigate the effects of two variables - (1) a studentʹs level of mathematical anxiety and (2) teaching method - on a studentʹs achievement in a mathematics
Course. Students who had a low level of mathematical anxiety were taught using the traditional
Expository method. These students obtained a mean score of 420 with a standard deviation of 20
On a standardized test. Assuming a mound-shaped and symmetric distribution, what percentage
Of scores exceeded 380?

• A)approximately 84%
• B)approximately 100%
• C)approximately 97.5%
• D)approximately 95%

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Definitions:

Biomedical Therapist

A health professional who uses physical interventions and medications to treat psychological disorders, often with a focus on biological factors.

ECT

Stands for Electroconvulsive Therapy, a psychiatric treatment in which seizures are electrically induced in patients to provide relief from severe mental disorders.

Localized Cortical Lesions

Damage or dysfunction in specific areas of the cerebral cortex, often resulting in impairments specific to the region affected.

Antianxiety Medication

Drugs prescribed to alleviate symptoms of anxiety by affecting neurotransmitters in the brain, such as benzodiazepines.