Which Example Below Is Not a Random Assignment to Experimental

question 77

Multiple Choice

Which example below is not a random assignment to experimental groups?

• A) assign numbers to subjects, put corresponding numbers in a hat and pull out numbers, place the first subject in the experimental group and the second subject in the control group and continue until all numbers are used
• B) ask subjects whether they prefer to be in the experimental group or the control group then assign subjects based on their preference
• C) flip a coin assigning subjects getting a head to the control group and those getting a tail to the experimental group
• D) use a random number generator after assigning numbers to your subjects

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Definitions:

Modified AGI

Adjusted Gross Income with certain adjustments added back in, used for determining eligibility for certain tax deductions and credits.

Qualified Adoption Expenses

The necessary costs incurred during the process of legally adopting a child, which can be eligible for tax credits.

Retirement Savings

Money that has been set aside or invested with the intention of providing income or financial support during retirement.

Contributions Credit

A tax credit that may be received for certain contributions made to retirement accounts or charitable organizations, aimed at reducing the taxpayer's overall tax liability.