Table 4. All the variables with means and SDs on stress levels.

Variable	Answers	Numbers	Means ± SDs	t	p
Delayed completion date of research project.	Disagree	83	41.82 ± 16.41	−3.102	0.002**
	Agree	168	49.55 ± 22.32
The blocked research projects caused by the COVID-19 has influenced the graduation/project conclusion/funds applications	Disagree	122	42.93 ± 17.68	−3.071	0.002**
	Agree	129	50.83 ± 22.85
Original research programs need to be changed or cut	Disagree	168	43.20 ± 16.65	−3.681	0.000**
	Agree	83	54.67 ± 25.89
The epidemic reduced the timeliness of the experimental results.	Disagree	157	44.33 ± 18.43	−2.484	0.014*
	Agree	94	51.44 ± 23.79
The epidemic has caused the loss of experimental materials and samples.	Disagree	169	44.27 ± 17.47	−2.652	0.009**
	Agree	82	52.60 ± 25.69
The COVID-19 asked more energy input	Disagree	91	43.37 ± 17.19	−2.245	0.026*
	Agree	160	49.05 ± 22.45
The COVID-19 has already, or is about to, caused a great loss for projects	Disagree	160	44.63 ± 18.68	−2.252	0.026*
	Agree	91	51.14 ± 23.72
The COVID-19 has influenced the original academic exchange activities	Disagree	82	44.96 ± 18.50	−1.075	0.284
	Agree	169	47.98 ± 21.87
The COVID-19 has Influenced the cooperation with other organizations	Disagree	123	45.14 ± 19.30	−1.384	0.168
	Agree	128	48.77 ± 22.15
Colleagues have carried out research projects on COVID-19.	Disagree	150	45.34 ± 19.11	−1.535	0.126
	Agree	101	49.45 ± 23.05
I am doing/have done a research project on COVID-19.	Disagree	197	46.16 ± 19.42	−1.038	0.303
	Agree	54	50.02 ± 25.32
Feeling great pressure from colleagues who conduct projects on COVID-19	Disagree	184	44.06 ± 17.55	−3.153	0.002**
	Agree	67	55.04 ±2 6.48
The block of the scientific researched has caused the adverse effects on your career	Disagree	151	44.11 ± 17.80	−2.570	0.011*
	Agree	100	51.35 ± 24.18
The block of the scientific researched has caused the adverse effects on your salaries	Disagree	168	45.15 ± 19.30	−1.881	0.062
	Agree	83	50.72 ± 23.34
Total		251

Notes:

^*p < 0.05.

^**p < 0.01.