Why is the average IQ equal to 100?

(a) that is just the nature of intelligence; it could not be otherwise
(b) all normal distributions have an average of 100
(c) it is just a lucky accident; it could have come out any way
(d) Binet originally used a ratio, MA/CA, defined so that the mean MA had to
equal the mean CA. That ratio was then multiplied by 100. Today, test scores are
statistically adjusted so that average performance is set equal to 100.


D

Psychology

You might also like to view...

Girls' interactions with each other are typically constricting, while boys' interactions with each other are typically enabling

a. True b. False Indicate whether the statement is true or false

Psychology

A psychological cause of prejudice is that it ________

a. reduces feelings of entrapment. b. increases self-esteem. c. increases altruistic behavior. d. decreases us-them thinking.

Psychology

The __________ folds over to form the __________, or primitive spinal cord

A) mesoderm; neuron tract B) ectoderm; neural tube C) endoderm; neural tube D) ectoderm; neuron tract

Psychology

The term condition matches which of the following ANOVA terms?

a. Treatment effect c. Mean square b. Factor d. Level

Psychology