"poor reaction time" is a correct and usable phrase in written English
You can use it to describe an individual who is slow to respond to something either mentally or physically. For example, "John had a poor reaction time when called on in class to answer a question."
We found that drugs can affect drivers in a number of ways ranging from impaired concentration to poor reaction times: Cannabis: Impaired concentration resulting in slower driver reaction times.
We have a really short reaction time.
Patients in pain may have much poorer reaction times and may be a much greater risk.
The glass transition temperature (Tg) of the networks was found to be strongly dependent on Stage I reaction since too short a reaction time caused poor bonding of OB to the networks while too long a reaction time led to the formation of OB oligomers that de-homogenized the networks.
Measures which were significantly associated with falls in univariate analyses included poor visuospatial skills, reduced executive function, presence of depression and anxiety, poor balance, slow reaction time, reduced functional mobility and use of psychotropic medications.
His mediocrity has been attributed to poor blocking and reaction time.
Most of the aforementioned techniques suffer from drawbacks such as prolonged reaction time, poor yields, pollution caused by toxic catalysts and solvents, numerous tedious steps and use of expensive catalysts or reagents which lead to restricted use of these derivatives in practical applications.
Many of the risk factors that predict falling interact with one another: increasing age, poor postural control, slow reaction time, lower activity level, diminished vision, impaired balance, medication use, and previous falls.
The correlations between teacher ratings of ADHD symptoms and key task variables were.4 .6: ADHD symptoms were associated with poor performance (especially high reaction time variability) in a slow baseline condition, whereas there was low or no association in conditions with a faster event rate or incentives.
