➀	Flattened process models
➁	Process models with groups
➂	Process models with subprocesses
BPMN	Business process model and notation
CLT	Cognitive load theory
ECL	Extraneous cognitive load
E	Effect
Dur	Duration
Fix	Fixation
F	Theoretical factor
GCL	Germane cognitive load
ICL	Intrinsic cognitive load
IE	Interaction effect
IU	Intention to use
M	Mean
ME	Main effect
O	Operationalization of factor
P1	Process model 1
P2	Process model 2
P3	Process model 3
P4	Process model 4
P5	Process model 5
P6	Process model 6
PerM	Performance measure
PEU	Perceived ease of use
PUU	Perceived usefulness of comprehensibility
RQ	Research question
SD	Standard deviation
TAM	Technology Acceptance Model