A Spearman correlation of r_s = -0.30 between birth order and IQ means that: A) having a lower birth order causes a person to have a lower IQ. B) people with lower birth orders tend to have lower IQs. C) having a lower birth order causes a person to have a higher IQ. D) people with lower birth orders tend to have higher IQs.

Question

Quizplus · Accepted Answer

A Spearman correlation of -0.30 indicates a negative relationship, meaning as birth order increases, IQ tends to decrease, so people with lower birth orders tend to have higher IQs.

A Spearman Correlation of Rs = -0

A Spearman Correlation of R_s = -0