Graphs
This type of survey method is used for many of the largest studies conducted by CDC
What is repeated cross-sectional survey?
Textbook 9.4 (pg. 238)
Organizes, summarizes and displays data
What are descriptive statistics
A number with a true zero.
What is ratio level data?
This simple graphical display is a list with two columns.
What is a frequency table?
This type of research design follows the same participants forward in time.
What is longitudinal study?
Textbook 9.4 (pg. 238)
This type of question forces respondents to select answers that do not truly express their status or opinions.
What is a closed ended question?
Rank-ordered groups like: never, sometimes, always
What is ordinal level data?
Uses vertical bars that don't touch showing the percentage of cases for each category of the variable.
What is a bar graph?
This type of sampling method is done when probability sampling is not available?
What is non-probability sampling?
This hypothesis states that there is no relationship between the variables
What is the null hypothesis
Categories of data like race: Black/African American, Latino/a, Asian, White, Other
What is nominal?
Graph of single points rather than bars.
What is a line graph?
This study type measures individuals randomly sampled from the same populations at different points
What is a cohort study approach?
Chi-square, t-test, ANOVA, correlation
What are statistical tests
A number without a true zero, like IQ or SAT score.
What is interval level data?
This type of variables is it not possible to create a histogram.
What is a nominal variable?
Where the data tend to fall
What is central tendency
This study type is used to identify the possible risk factors of disease.
What is case control?
Selection bias and testing effect are threats to what type of validity?
What is a internal validity?
This procedure changes describes the process in which a nominal variable can be converted to an ordinal variable.
What is transforming variable levels of measure?