Which of the following patterns represents an ideal baseline in a single-case experimental design?
A) line with zero slope (horizontal line)
B) line with a positive slope (diagonal from lower left to upper right)
C) line with a negative slope (diagonal from upper left to lower right)
D) jagged line with several peaks and valleys

Question

Quizplus · Accepted Answer

An ideal baseline in a single-case experimental design is a horizontal line with zero slope, indicating no change in the dependent variable over time before the intervention is introduced. This establishes a stable and predictable pattern for comparison with the intervention phase.

Which of the Following Patterns Represents an Ideal Baseline in a Single-Case