Table 2.

Keyword clusters of uncertainty attributes

Keywords cluster	Sources	Attributes
Emotional experience A feeling of loss of control The subjective phenomenological experience of emotional Subjective perception of ignorance Subjective experience Psychological experience	(Bammer & Smithson, 2012; Bar-Anan et al., 2009; Han et al., 2011; Kasper et al., 2008; Wakeham, 2015; Wright et al., 2009)	Emotional disturbance
Unpredictable condition Unpredictable situation Unpredictable world or chaotic condition The very fast development of the world Cannot predict outcome accurately Unknown effects/results of an action No clarity of results No clarity of effect Unsure about the outcomes of a procedure or disease process	(Bar-Anan et al., 2009; Brashers et al., 2006; Knight, 2013; Milliken, 1987; Mishel, 1988; Penrod, 2001; Toma et al., 2012)	Unpredictability
Lack of information Unavailability or inadequate information Insufficient cues Insufficient information about severity and prognosis	(Brashers et al., 2006; Dolbeault et al., 2011; Funtowicz & Ravetz, 1990; Kasper et al., 2008; Mishel, 1988; Sheer & Cline, 1995; Wakeham, 2015; Wright et al., 2009)	Insufficient information
Problems with decision making Not completely decided The decision-maker cannot assign a definite value to an object or event Doubting about something Lack of information for decision making The bias of appraisal for decision making Lack of meaning Lack of understanding	(Bammer & Smithson, 2012; Brashers, 2001; Mishel, 1988; Tas Bora & Buldukoglu, 2020)	Problems with decision making