Examination stress at unified state examination: student destabilization or success factor?

The aim of the research is to clear up the influence of examination stress on the results of completing examination papers by students in the situation of trial General and Unified State Examinations, imitating the real-life environment of unified state certification of schoolchildren. The tasks of the research included determining the dynamics of psychophysiological stress indices at different examination stages, and evaluating additional factors (the subject in which the examination is held, the strategy of solving the variant, success of solving the task etc.), influencing the quantity and quality of stress reactions at the examination.
The novelty of the research is in the attempt to overcome the problem of confusing the notions of examination stress and examination anxiety, caused by metering the students’ state either before or after the examination. The technology of online monitoring the students’ psychophysiological state is used in the work, which makes it possible to eliminate a number of restrictions occurring during subjective evaluation of the state by the students themselves. Telemetric cardiorhythmography was chosen as the basic method. The method is based on a three-component model of extreme states with consequent domination of one of the three stress-reactive systems. A cardiointervalogramm was being registered in the research process in the online mode and underwent spectral analysis. The following indices of heart rate variability were recorded in order to determine stress reactions: the total power of the spectrum (TP), the spectrum power in low-frequency (LF) and high-frequency (HF) regions, and a vegetative balance index (relation of the spectrum powers in low-frequency and high-frequency regions (LF/HF)). When the total power of the heart rate fell and, at the same time, the vegetative balance index rose, a conclusion was made of there being a stress reaction. Twenty-five students of an illustrious school were examined.
Stress reactions were already recorded when the students read the instructions, and their number increased in the process of the examination, reaching the maximum by the end of completing the work. The analysis of subjective evaluation of the state by the students themselves reveals that they often evaluate it inadequately. Significant statistical differences were found between the levels of stress at examinations in different subjects.
The highest stress level was recorded at the examination in Russian. It was revealed, that the students who chose a free strategy of completing the tasks and followed it, had fewer stress reactions than those who completed the tasks one by one. The differences in the stress levels were registered between students who got different grades: the students who were graded “good”, had the most stress reactions, those who were graded “satisfactory”, had the fewest stress reactions.
The results of the study show that the General and Unified State Examinations are highly stressful events: in average, the students were under stress about one third of the time of completing the exam tasks. The given events have a significant impact on school leavers’ psychophysiological state. Additional factors were determined that cause stress reactions at the examination.

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