Internal consistency reliability will tell you whether…

As part of a research project validating a test of reading skills, a test developer finds that children who have already been diagnosed with reading disabilities do much worse on the test (on average) relative to children who have no diagnosis. This would generally be seen as evidence of the test’s…

How would you describe factor analysis? And why is it relevant to test validity?

The standard deviation tells you…

A researcher is hoping to show good discriminant validity for an IQ test by correlating IQ scores with scores from an extraversion scale. Which correlation coefficient would make the researcher happiest?

The reason percentiles are often misunderstood is because…

What does a z-score tell you? What is the mean of z-scores and why does this follow from the definition of a z-score?

What is the difference between a norm-referenced test and a criterion-referenced test?

Which element is found in period 5? A) N                         B) Te                                     C) Ba                                     D) Bi

Type your answer in the box. All work must be shown for mathematical based problems. For the mathematical problems: Do not round between steps. Round your final answers to 3 significant figures. All answers must have units if needed. Partial credit may be given if work is shown. Some questions will require conversion factors. Please refer to Periodic Table handout. Convert the following 24.4 gal=_____L