A Cognitive Psychologist Has Developed a Computer Simulation of Memory

question 5

Multiple Choice

A cognitive psychologist has developed a computer simulation of memory processes that generates a simulation of reaction times in response to the presentation of previously learned stimuli.The program has been designed to produce a mean reaction time of 200 msec with a standard deviation of 20.The psychologist is worried that the program has stopped working properly because the last 16 trials have produced a mean reaction time of 190 (with the expected standard deviation of 20) .The researcher compares the two means using a z-test to ask whether the observed mean is lower than the expected mean.Which of the following statements is false?

• A)A t-test could not be used on these data as the standard deviation is known.
• B)A t-test could be used on these data even though the standard deviation is known but the z-test is the best option.
• C)A t-test could be used on these data even though the standard deviation is known and it is a better option than the z-test because it can be done in SPSS.
• D)A t-test could be used on these data but the z-test is the best option as it is simpler.
• E)All of the above apart from (b).

Recognize the most common compressed workweek systems and their effects.

Understand the purpose and benefits of flexible work arrangements for employees and organizations.

Understand the symptoms and diagnostic criteria of major psychological disorders, including ADHD, schizophrenia, and major depressive disorder.

Recognize the importance and critique of the biopsychosocial approach and the medical model in understanding psychological disorders.

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Definitions:

Entire Budget

The total estimated expenditure of an individual, organization, or government for a defined period.

Utility Maximizing

A principle in economics where individuals or firms aim to achieve the highest level of satisfaction or profit from their consumption or production decisions, subject to their resources and constraints.

Marginal Utility

The additional satisfaction or utility gained by consuming an additional unit of a good or service.

Indifference Curve

A graphical representation in microeconomic theory of all combinations of goods that provide a consumer with the same level of satisfaction, indicating their preferences.