Validity
Data
More Data
Inferential statistics
More Statistics
100
The confidence that the treatment or condition made a difference and not rival explanations or extraneous variables.
What is Internal validity
100
Data that is organized to describe data obtained in the study is called
What are descriptive statistics?
100
Research data can also be displayed in a pictorial or graphical way. Name 3 different pictorial representations.
What are Bar graph, Histogram, Pie chart, Scatterplot?
100
Inferential statistics are used to infer sample finding to what?
What is the population?
200
The ability to generalize the findings from a research study to other populations, places and situations
What is external validity
200
The 2 main types of data measurement?
What are nominal (categorical) and continuous.
200
What is the type of skewness that describes data that is all clumped to the left on a histogram. For example all low test scores?
What is positive skewed?
200
What are the two main categories of inferential statistics?
What are parametric and non-parametric.
200
What statistical test is used to compare 2 independent groups with a continuous dependent variable- male/female and depression levels?
What is Independent samples t-test.
300
What is the traditional minimum level of significance in research studies?
What is p < .05
300
Years of nursing experience is what level of measurement?
What is continuous (interval/ratio)?
300
What is the term used to describe the "peakedness" of data?
What is Kurtosis?
300
Parametric statistics make which major assumption?
What is the data is normally distributed.
300
What are two measurements that reflect variability of the data?
What are variance and standard deviation.
400
This error occurs when the researcher rejects the null hypothesis when it was true.
What is Type 1 error
400
The instances (number of times) that an event occurs in a set of data.
What is frequency
400
Mean, median, mode and range are referred to as what?
What are measures of central tendency?
400
What parametric test would a researcher use to compare 2 groups of nominal data ( Nursing unit worked in and type of medication error)
What is Chi-square.
400
What statistical test would a researcher use if they needed to compare more than three groups.
What is ANOVA.
500
This error occurs when the researcher accepts the null hypothesis when it was false.
What is a Type II error.
500
A likert scale is an example of what type of measurement?
What is continuous (ordinal) data.
500
The data set contains 3,4,5,6,7,8
What is medium?
500
What beer is associated with the t test?
What is Guinness.
500
What parametric test is used to test a relationship between 2 interval/ratio variables?
What is Pearson's correlation coefficient.
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