Which Is True About Randomized Experiments

question 92

Multiple Choice

Which is true about randomized experiments?
I. Randomization reduces the effects of confounding variables.
II. Random assignment of treatments allows results to be generalized to the larger population.
III. Blocking can be used to reduce the within-treatment variability.

• A) III only
• B) II only
• C) I only
• D) I, II, and III
• E) I and III

Understand the familial patterns and causes of abusive behavior.

Identify situational stressors and their relation to child abuse.

Know effective and ineffective methods for preventing child abuse.

Understand the psychological and attachment outcomes of maltreated children.

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Definitions:

Technical Analysis

A method of evaluating securities by analyzing statistics generated by market activity, such as past prices and volume.

Statistical Analysis

A method of collecting, reviewing, and interpreting data to discover patterns, correlations, or trends.

Present Value

It measures the current value of a future amount of money or stream of cash flows, using a specific discount rate to account for the time value of money.

Projected Future Cash Flows

An estimation of the amount of money expected to be received and paid out by a business over an upcoming period.