QUESTION 1

1. Hypothesis testing in univariate statistics is used to determine whether or not any change in the dependent variable is due to change in the independent variable or simply due to chance.

True

False

QUESTION 2

1. Inferential statistics are about a population, so the hypotheses are created using parameter statistics.

True

False

QUESTION 3

1. In hypothesis testing, the null hypothesis is always tested.

True

False

QUESTION 4

If the null hypothesis is rejected, then no statistically significantgroup differences were found.

True

False

QUESTION 5

The null hypothesis is rejected when it is actually true is atype I error.

True

False

QUESTION 6

Scores that are outside the stated level of significance and critical value are considered to be statistically significant.

True

False

QUESTION 7

Because power is the probability of correctly rejecting the a false null hypothesis,the more power in a study, the greater the chance of identifying a non-significant difference when there actually is a significant difference.

True

False

QUESTION 8

1. The easiest method of increasing power in a study is to increase sample size.

True

False

QUESTION 9

A rigorous standard ofpower is usually.80.

True

False

QUESTION 10

1. As probability of making a Type I error increases, the probability of making a Type II error also increases.

True

False