In general, for valid test procedures the control group needed to have a survival rate higher than 90%[18],[19]].
Nil responses in blood were low and comparable in all groups, well below the upper cutoff for valid test of 8 IU/ml.
Such a near-complete coverage of species in a clade is necessary for valid tests of speciational change hypotheses, as missing species introduce errors into estimations of the number of speciation events separating a given species pair [ 19].
Choosing the dose range for anxiolytic or anxiogenic drugs is key for obtaining valid testing results and correct data interpretation.
Choosing the treatment protocol and dose range for fluoxetine and other serotonergic drugs is critical for obtaining valid test results and correct data interpretation.
Abedi (2005) illustrated the challenges of assuring fair and valid testing for the English language learner (ELL) population under the current legislation of NCLB.
It is widely recognized by research peer groups for conducting valid tests.
Establishing ME across populations is a prerequisite for conducting valid tests of hypotheses about equality of group means or variances.
The minimal criterion for a valid test of this hypothesis is a set of measures that can unambiguously establish that the stress came before the depression.
Positive control was with histamine base, 6 mg/ml (Stallergènes®, Antony, France) and had to be 3 mm or greater for a valid test.
