In an Experiment Investigating the Hypothesis That Aerobic Exercise Improves

question 110

Multiple Choice

In an experiment investigating the hypothesis that aerobic exercise improves concentration and memory, all the participants had an equal chance of being assigned to any of the three conditions in the study. The researchers have used _____ to minimize the possibility of bias when assigning participants to the different groups.

• A)the practice effect
• B)random assignment
• C)the single-blind technique
• D)the double-blind technique

---

Definitions:

Service Delivery

The mechanism by which organizations provide their services or products to consumers, including the processes, infrastructure, and resources involved.

Terminating Case Management

The process of concluding the professional relationship between a case manager and their client, usually after achieving predetermined goals.

Short-Term Interventions

Short-term interventions are therapeutic or remedial activities designed to produce immediate or rapid benefits, typically addressing acute issues.

Process Recording

A method used in social work education and practice, involving the detailed documentation of a social worker's interaction with a client, used for training, supervision, and self-reflection.