If a student says that 38 is a persons observed score in a single testing, the true score is expected to fall within the interval from 38 2 (SEM) to 38 + 2 (SEM). Which of the following terms does this statement describe?
a. Confidence interval.
b. Standard error.
c. True score variance.
d. Random distribution.
Question 2
Based on the statistical properties of a normal distribution, 95 of all scores fall between
a. one standard deviation below the mean and one standard deviation above the mean.
b. two standard deviations below the mean and two standard deviations above the mean.
c. two standard deviations below the mean and one standard deviation above the mean.
d. three standard deviations below the mean and three standard deviations above the mean.
The magnetic field of Uranus as observed by Voyager 2 in 1986. S and N are magnetic south and north
Testing Whether Therapy has Empirical Support
Multiple synapses on the body of a single neuron
Testing the corneal reflex
Single-serve pods of infant formula
Single nucleotide polymorphisms (SNPs) are organized into blocks that are inherited together. These