When researchers use parametric tests of significance, they must meet which two assumptions?
A) normal distributions and homogeneity of variance
B) normal distributions and internally valid design
C) heterogeneity of variance and large sample sizes
D) internally valid design and homogeneity of variance
Question 2
Factorial designs in which both IVs involve nonrandom assignment are called
A) completely randomized designs
B) between-subjects factorial designs
C) completely within-subjects (or groups) factorial designs
D) A and B above
E) B and C above
Procedures and Diagnostic Tests Related to the Ear
Procedures and Diagnostic Tests Related to the Female Reproductive System
Common Laboratory Tests and Their Normal Values
Ascaris. (Sinclair Stammers/Science Photo Library/Photo Researchers, Inc.)
Prenatal Diagnostic Tests
The general description of allele and genotype frequencies under Hardy–Weinberg assumptions