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Levels of Data
Research Questions
Sample Sizes
Data Management
Missing Data
100

The acronym for the 4 levels of data

What is NOIR?

100

The bigger group from which you draw your sample

What is the "population"?

100
When the sample is the entire population.

What is a census?

100

part of data management that ensures the numbers entered into the spreadsheet are correct

What is quality assurance?

100

The common entry for missing data. 

What is 999?

200

the lowest level of data, i.e. color

What is nominal?

200

The acronym for the question (the full one).

What is PICOT?

200

The most complicated software for calculating sample size.

What is G*Power?

200

Participant #2 entered twice is an example of what kind of duplication. 

What is non-purposeful duplication?

200

The type of missing data in which there are no systematic differences between the missing data and the observed data. 

What is missing completely at random?

300

Data with an order, ie. education level

What is ordinal?

300

The end result, what you are measuring.

What is the outcome?

300

The "default" alpha value (significance level). 

What is 0.05?

300

Confidentiality, computer firewalls, restricted access are examples of what?

What is safety and security?

300

The type of missing data that is the same within groups defined by the observed data (i.e. older participants are more likely to skip question 2 on a survey compared to younger participants; the missingness is likely related to age)

What is missing at random?

400

Data with meaningful intervals, ie temperature in C

What is interval?

400

Could be standard of care, or a placebo, or "unexposed"

What is comparator/comparison?

400

Two of the biggest practical considerations regarding samples/sample size?

What are cost and time to recruit?

400

Two commonly used databases/spreadsheets used for data entry. 

What are excel and SPSS?

400
Missing data that is related to the variable itself (ie. asking about illicit drug use; participants may choose not to answer due to concerns about prosecution etc)

what is missing not at random?

500

The last level of data, ie. height

What is ratio?

500

The one part of the question that isn't always necessary.

What is time?

500

The study designs - other than census - that a sample size calculation may not be needed?

What are (any of) rare disorders, pilot study, prevalence?

500

The number of decimal places required by APA 7. 

What is 2?

500

The type of missing data that is the starting point for investigating missing date. 

What is missing at random?