I If the Value of R Is -0

question 154

Multiple Choice

i. If the value of r is -0.96, what does this indicate about the dependent variable as the independent
Variable increases?
ii. What is the value of the correlation coefficient if there is perfect correlation?
iii. If the dependent variable is measured in dollars, in what units is the standard error of estimate
Measured?

• A) it increases; zero; dollars squared
• B) it decreases; +/-1.0; dollars squared
• C) it increases; 1.0; dollars ($)
• D) it decreases; +/-1.0; dollars ($)
• E) it decreases; zero; dollars

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Definitions:

Genetic Mutation

A permanent alteration in the DNA sequence that makes up a gene, resulting in a variant form that may be passed down through generations.

Post-Traumatic Stress

is a mental health condition triggered by experiencing or witnessing a terrifying event, characterized by severe anxiety, flashbacks, and uncontrollable thoughts about the event.

Cohorts

Groups of individuals who share a common characteristic or experience within a defined period, often used in research to examine changes over time.

Role Diffusion

A concept in Erik Erikson's theory, referring to a lack of clarity in one's life roles and future path, typically during adolescence.