How Large a Sample Is Needed for a Correlation of R

question 29

Multiple Choice

How large a sample is needed for a correlation of r = 0.550 to be significant using a two-tailed test with α = .05?​

• A)​n = 14
• B)​n = 13
• C)​n = 12
• D)​n = 11

---

Definitions:

Control Attention

The ability to maintain focus on relevant stimuli and manage one's attention in the face of distractions.

Immersion Approach

A teaching method primarily used in language education where students are placed in an environment where they must use the new language to learn it.

Dual Language Learning

The process by which individuals learn two languages simultaneously, often from an early age.

Bilingualism

The ability of an individual to use two languages effectively, often developed through exposure and practice from a young age.