What Is the Benefit of Using Controls in an Experiment

question 53

Multiple Choice

What is the benefit of using controls in an experiment? ​

• A)The size of the groups can be very large.
• B)The subjects do not need to know anything about the experiment.
• C)The subjects who are treated are balanced against the placebos.
• D)The groups are similar in all respects except for the treatment being tested.

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Definitions:

LIFO Layers

In the Last-In, First-Out inventory accounting method, layers of inventory purchased at different times (and prices) which can affect the cost of goods sold and ending inventory valuation.

Inventory Liquidation

The process of selling off inventory, typically at reduced prices, to generate cash or reduce excess stock.

LIFO Cost Flow Assumption

An inventory valuation method that assumes the most recently produced or acquired items are sold first, last-in, first-out.

FIFO

First In, First Out, an inventory valuation method where the first items placed in inventory are the first sold.