The phrase "affected by the difficulty" is correct and usable in written English.
You can use it when describing a situation or a person that is experiencing challenges or obstacles due to a particular difficulty.
Example: "The students were affected by the difficulty of the exam, leading to increased stress levels."
Alternatives: "impacted by the challenge" or "influenced by the hardship."
Moreover, the relationship between returns and search volume might be affected by the difficulty of a stock being arbitraged.
For this reason their chemometric treatment was affected by the difficulty encountered in separating the TG data that actually contain information from redundant data that only represent "noise".
Moreover, the use of statistics like throughput of probing frames or FER is affected by the difficulty of finding proper thresholds for optimal rate selection.
Moreover, statements on physical activity level and media use can be affected by the difficulty of remembering the duration of activities and summarizing this information.
In Kenya, survivors' willingness to accept and adhere to PEP was affected by the difficulty clinicians have discussing rape and encouraging communication with survivors [ 26].
We believe that the higher EE in ST is affected by the difficulty in changing to a 180° direction as the movement may involve agility and different turning strategies (step-turn or pivot-turn) to adjust the posture carefully.
Affected by the difficulties of the Great Depression, baseball's popularity had begun a downward turn in the early 1930s.
Although such uncertainties have much to do with poor prospects for improvement in home countries, they are also affected by the "ordinary" difficulties of low-skilled immigrant life at the margins of the receiving society, even when they are employed in domestic work.
To investigate whether nurses' confidence calibration was affected by the ease or difficulty of the clinical judgment task we explored the uncertainty associated with each task.
Regardless of the cause, politicians in both parties are advocating protectionist policies to compete for votes in the areas most affected by these difficulties, which include some important swing states.
