Effect of Nitrogen and Periphyton Extract on the Growth of Nostoc sphaericum in Cultures

Table 1

Statistical or analytical methods used to verify experimental results.

Entry	Hypothesis	Method
a	Cells and thalli normality size	Lilliefors test
b	Equality of error variances	Levene test
c	Length/width correlation on each of the three solid media	Pillai’s Trace, Wilks’ Lambda, Hotelling’s Trace, Roy’s Largest Root with Bonferroni correction, Mauchly’s test, Levene’s test, Tukey’s test, and Games-Howell’s test
d	Chlorophyll-a correlation on each of the three solid media	Pillai’s Trace, Wilks’Lambda, Hotelling’s Trace, Roy’s Largest Root with Bonferroni correction, Mauchly’s test, Levene’s test, Tukey’s test, and Games-Howell’s test