Selecting and Recruiting Subjects When There Is a Statistically Significant

question 11

Multiple Choice

Selecting and Recruiting Subjects When there is a statistically significant difference between two treatment groups, we know that

• A)extraneous variables did not confound the study.
• B)random assignment created groups that were identical on the dependent variable before the researcher manipulated the independent variable.
• C)the effect size of the independent variable is very large.
• D)the independent variable produced group differences on the dependent variable that are larger than we would expect due to chance.

---

Definitions:

Public Companies

Corporations whose shares are traded openly on stock exchanges, allowing public investors to buy and sell ownership stakes.

Deontological Theory

An ethical theory that suggests actions are morally right or wrong based on their adherence to rules and duties, regardless of the outcomes.

Utilitarian Notion

A concept in ethics that actions are right if they are useful or for the benefit of a majority, focusing on the outcome of achieving the greatest happiness for the greatest number.

Water Purification

The process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water to make it safe for human consumption and use.