When Should a Researcher Decide Whether an Alternative Hypothesis Should

question 7

Multiple Choice

When should a researcher decide whether an alternative hypothesis should be one-sided or two-sided?

• A)Before collecting the data.
• B)While the data are being collected, and a pattern begins to emerge.
• C)After the data have been collected and the researcher has had a chance to summarize them to see what direction the results may take.
• D)No single rule will apply to all situations; each one is different.

---

Definitions:

Primary Circular Reactions

A concept in child development where an infant learns to reproduce an event that initially occurred by accident (e.g., sucking their thumb).

Centration

A cognitive limitation in early childhood, where a child focuses on one aspect of a situation while ignoring others.

Neural-Visual Network

A system in the brain that processes visual information, integrating it with neural signals for perception and understanding.

Numerical Understanding

The ability to comprehend, interpret, and work with numbers.