245 Exam Review (section 3)

Which of the following types of validity evaluates how well an instrument (like a test) covers all relevant parts of the construct it aims to measure?

• Face

• Content

• Criterion

• Construct

Which type reliability is obtained when administering different versions of a test that contain comparable information?

What kind of distribution shows all three measures of central tendency at the same point?

• this doesn't exist

• negative skewed curve

• bell curve

• positive skewed curve

The type of statistics that makes inferences and tests hypotheses?

The lower the P-value, the _______ likely that the null hypothesis is true.

What type of error would be occurring if the researchers stated there is a relationship between two variables when there is not actually a relationship?

• Random error

• Type 2 error

• Type 1 error

• Bias error

which of the following is not a type of t-test?

• independent

• paired-sample

• one-sample

• tri-sample

What type of test would a researcher use if they wanted to measure the differences between three or more groups?

What test is used when the data is ordinal or the assumptions for a T-test are not met?

• Chi-square

• pearson's r

• Wilcoxin

• Mann-Whitney U

Take an example of a list of 34 test scores: one student got a score of 40% and the rest of the students got scores between 76% and 98%, Which measure of central tendency would be the best fit?

• median

• mode

• mean

• any of them would be OK