Continuous variables between two groups were compared by a Mann-Whitney test, and those among three or more groups were compared by a Kruskal-Wallis test.
As a control, two more groups were told to keep either an old-fashioned print diary or to do nothing at all.
A19 Uncertainty in Cybercrime Hunt The official in charge of the government's cybercrime-fighting unit told a Congressional panel that the F.B.I. was uncertain if one or more groups were responsible for the recent attacks on e-commerce sites.
For example, among City A's various leadership groups established from 2002 to 2012, more and more groups were led by the party committee and government (Liu and Xie 2015).
At least 23 survivors had been located in one air-pocket of the collapsed building, while two more groups were located close by, bringing the total to as many as 50, says our reporter.
(The head of the government's cybercrime-fighting unit told a congressional panel on Feb. 29 that the FBI was uncertain if one or more groups were responsible for the virtual attacks).
Comparisons of three or more groups were performed using ANOVA followed by the Bonferroni test.
More groups were compared by ANOVA with subsequent Student-Newman-Keuls test.
Comparisons between three or more groups were made with analysis of variance followed by Tukey-Kramer post hoc analysis.
Data comparisons were performed using the Student's t test when two groups were compared or one-way ANOVA analysis of variance when three or more groups were analyzed.
Differences in means among three or more groups were analyzed by analysis of variance (ANOVA) followed by Tukey-Kramer, Fisher's or Wilcoxon rank sum test.
