GNUR 503 Stats Comp Prep #1

A type I error is made when:

Which of the following is considered an inferential statistic?

2 APRNs individually assess 25 pressure ulcers to determine staging and compare their results.

What is calculated to determine and compare standardized scores?

Classify the following data as nominal, ordinal, interval or ratio: Gender

Best way to show a graphic display of annual income & years worked for 2398 subjects

p = .05 means we are okay making a type I error 5 out of 100 times the experiment is conducted

Classify the following data as nominal, ordinal, interval or ratio: grade (A,B,C,D)

APNs are consumers of research and must be competent in stats to conduct EBP projects

An APRN took temp by oral and tympanic thermometer, N=200. What test to measure the difference?

Classify the following as nominal, ordinal, interval or ratio: Performance (below avg, avg,)

A study can be not statistically significant and still be clinically significant.

Least effective way to show data of 30,000 subjects' political party affiliation.

Which of the following examples is an incorrect categorization of IVs and DVs?

In a normal distribution, the mean, median and mode is centrally located & near each other

Which is NOT required for experimental designs?

Which of the following is an example of a continuous variable?

You are reading an article that reports the Pearson’s r as 0.50. You determine:

The 95% CI on a stats test ranged from 88%-94%. This means:

Which of the following are NOT required to determine causality in experimental research?

Which of the following is not a measure of central tendency?

Classify the following data as nominal, ordinal, interval or ratio: years of work experience

Classify the following data as nominal, ordinal, interval or ratio: pain scale, 0-10

Classify the following as nominal, ordinal, interval or ratio: blood pressure

Each subject has an equal chance of being selected for the intervention or control group.

This type of test assumes normal distribution of data.

Which of the following is true regarding descriptive statistics?

Classify the following data as nominal, ordinal, interval or ratio: temperature

This non-parametric stat test measures the relationship between two categorical variables.

The research sample is the entire group of individuals to study &generalize results to:

The most frequently occurring number in a given data set is which measure of central tendency?

Classify the following data as nominal, ordinal, interval or ratio: age

Classify the following data as nominal, ordinal, interval or ratio: religious affiliation

Which of the following can be a threat to internal or external validity? Choose all that apply.

A study can be statistically significant but not clinically significant.

The null hypothesis:

Inferential statistics allow the researcher to:

When we can say that the IV & DV are strongly related to one another, the study is said to have

A researcher wants to show causality for an intervention, the best sampling method to choose:

Classify the following data as nominal, ordinal, interval or ratio: zip code

Alpha level decrease from .05 to .01, how does this impact the likelihood of a type II error?

I'm doing a research study on learning styles & use students in the 4 sections of my course.

Pearson's R:

Weight loss study, IV=meals, DV=weight loss. Biking to work starts, not part of study. Biking:

Data in mutually exclusive cats w/ ranking/ordering, no absolute 0 or consistent distances.

I am studying the shopping habits of women in Monroe County & obtain 20 subjects from each zip.

Reclassifying blood pressure data from ratio level to ordinal level will: