After Careful Ethical Review of Planned Procedures, a Researcher Tests

question 59

Multiple Choice

After careful ethical review of planned procedures, a researcher tests a new brain activation drug by taking a sample of 50 volunteers and randomly assigning 25 participants to the treatment condition and 25 to the control (placebo) condition.She then carries out an fMRI scan to assess the level of activation in regions of the participants' brains 30 minutes after administering the drug.She carries out a between-participants t-test in SPSS which provides the output shown below: What further advice is appropriate to give the researcher here?

• A)The variances look as if they could be unequal.
• B)It is worth ensuring that the distributions of the scores are normal.
• C)The negative confidence interval suggests she needs to reduce statistical uncertainty further.
• D)The t-test should be accompanied with a measure of effect size such as Cohen's d.
• E)Both (a)and (d).

Identify measures to manage and reduce fiscal deficits.

Comprehend the relationship between the national debt, federal budget, and economic indicators.

Understand the roles of taxes and government spending in fiscal policy.

Recognize the impact of automatic stabilizers on the economy.

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Definitions:

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Regulations and legal protections that ensure fair and safe working conditions for employees.

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Choices made by the leaders of an organization that affect its strategies, operations, and overall direction.

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High-level managerial resolutions typically made by top executives or management within an organization.

Beliefs

Convictions or acceptance that certain things are true or real, often without empirical evidence.