Stranger Distress or Fear of Strangers Typically Emerges At

question 80

Multiple Choice

Stranger distress or fear of strangers typically emerges at:

• A)3 months
• B)6 months
• C)9 months
• D)12 months

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Definitions:

Significance Level

In statistical hypothesis testing, it is the probability of rejecting the null hypothesis when it is true, often denoted by alpha (α).

Sample SD

Standard deviation of a sample, a measure of the spread or dispersion of a set of data points within that sample.

Null Hypothesis

A hypothesis in statistical analysis that assumes no significant difference or association, typically set as the default to test against an alternative hypothesis.

Type I Error

A statistical error that occurs when a true null hypothesis is incorrectly rejected.