The phrase "a perception of effectiveness" is correct and usable in written English.
It can be used when discussing how individuals or groups view or interpret the effectiveness of a particular action, strategy, or process.
Example: "The team's success was largely due to a perception of effectiveness that motivated everyone to contribute their best efforts."
Alternatives: "an impression of effectiveness" or "a sense of effectiveness."
An investigation from Hong Kong, for example, looked at hygiene behaviors during the early phases of the influenza A(H1N1) 2009 pandemic [ 15] and revealed that wearing a face mask in public was associated with a perception of the effectiveness of face mask use versus the dangers of influenza A(H1N1).
Results from the Effectiveness scale suggest that this scale reflects patient reported perception of effectiveness, likely a result of professional opinion about a medication's ability to manage OH.
A single, non-scoring question on self perception of effectiveness at work was also included, not to replicate existing more detailed productivity measures, but to act as a global screening question to examine the relationship between health and work effectiveness in population analysis.
We investigated whether the amount of clinical experience during clerkship correlated with students' clinical competency and students' perception of effectiveness of their clerkship on it.
Thus, self-perceived risk of falling, self-perceived risk of harm, perception of effectiveness of this intervention in general, perception of personal effectiveness of this intervention, confidence in ability to follow the recommendations of a falls assessment, and whether the participant considered this intervention to be a social norm were the indicator variables that commenced in the model.
This study examined the clinical characteristics of children with ASD and clinical and/or subclinical seizures, their management, and parental perception of effectiveness of traditional treatments for seizures and non-traditional treatments using an on-line survey.
Only one study reported data about the teaching practices of TAs, although not through direct observation of practices but through students' perception of effectiveness as measured by survey instruments (Hampton and Reiser, 2004).
