Research & Evidence-Based Practice Flashcards

Which VBA function returns the number of cells in a range that meet a specific criterion, useful for counting occurrences in research data?

Answer: CountIf

WorksheetFunction.CountIf counts cells matching a criterion, making it ideal for frequency analysis in research datasets.

When automating data import from multiple CSV research files, which VBA method opens a text file for reading?

Answer: Open ... For Input

Open filename For Input As #n opens a text file in read mode so VBA can parse CSV research data line by line.

A researcher needs to remove duplicate survey responses automatically. Which Excel object method achieves this in VBA?

Answer: Range.RemoveDuplicates

Range.RemoveDuplicates removes duplicate rows based on specified columns directly from a VBA procedure.

To validate that all entries in a research dataset column are numeric before analysis, which VBA function should you use?

Answer: IsNumeric

IsNumeric returns True if the argument can be evaluated as a number, allowing pre-analysis data validation.

Which VBA approach is best for iterating through an unknown number of data rows in a research spreadsheet?

Answer: Do While Cells(i,1) <> ""

Do While Cells(i,1) <> "" dynamically stops at the last row of data without hardcoding row counts.

A VBA macro needs to calculate the average of a filtered research dataset. Which method correctly averages only visible cells?

Answer: Range.SpecialCells(xlCellTypeVisible).Average

Range.SpecialCells(xlCellTypeVisible) returns only the visible (non-filtered) cells, and their numeric average can then be computed.

When using VBA to sort research data by multiple columns, what is the correct order of Sort key parameters?

Answer: Key1, Key2, Key3

Range.Sort accepts Key1 as the primary sort column, Key2 as secondary, and Key3 as tertiary, applied in that order.