Positive relationships between two variables indicate that, as the score of one increases, the
score of the other increases.
True or False
- True
Data which uses number values, has an equal distance between values, and has a possible
absolute zero is:
- Ratio
You are studying the effect of hypnosis on weight loss. You will measure each patient's weight
pre- and post-intervention. The most appropriate test is:
- Dependent groups t-test
An entire set of individuals or objects having some common characteristics is:
- Population
The distribution of chi-square values is NOT normally distributed.
True or False
- True
A group of neonatal nurses wanted to know if there was a difference in mean heart rate
between premature babies who were swaddled and babies who were not swaddled. Babies
were randomly assigned to swaddling or no swaddling. Which test is most appropriate?
- Independent t-test
Causation is synonymous with association.
True or False
- False
, This is used to compare means while controlling for the effect of a covariate.
- ANCOVA
Parametric tests can be used with any type of data.
True or False
- False
The assumptions for ANCOVA differ substantially from those for ANOVA.
True or False
- False
The standard deviation is:
- The square root of the variance.
A nurse researcher wanted to evaluate blood pressure in a set of patients/research subjects at
1, 3, and 6 months. What test would be most appropriate?
- RM-ANOVA
A result that is probably not attributable to chance is:
- Statistical significance
When the researcher incorrectly rejects the null hypothesis, it is known as:
- Type I Error
What is the minimum level of measurement appropriate for the independent variable in a t-
test?
- Nominal