Research Designs That Involve Randomization Are Rare in Social Work

question 4

Multiple Choice

Research designs that involve randomization are rare in social work because of:

• A) Expense.
• B) Little practical application.
• C) Ethical objections.
• D) Knowledge.

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Definitions:

Randomized Design

An experimental setup where subjects are randomly allocated to different groups to ensure variability is distributed evenly across the groups.

One-Way ANOVA

A statistical test used to determine if there are any statistically significant differences between the means of three or more independent (unrelated) groups.

Critical Number

A critical number is a value on the domain of a function where the function's derivative is zero or undefined, important in finding function maximums and minimums.

Randomized Block Design

A statistical experiment design that aims to reduce the effects of confounding variables by grouping similar experimental units into blocks before randomly applying treatments within each block.