You have a group of male high school math teachers with high scores on authoritarianism and you want to investigate the influence of authoritarianism on students' attitudes toward math. What kind of a comparison group would you choose to provide the most control in this study?
a. a group of high school teachers with low scores on authoritarianism
b. a group of high school math teachers with low scores on authoritarianism
c. a group of male high school math teachers with low scores on authoritarianism
Question 2
Identify the threats to internal validity illustrated in the examples below. Students falling below the 10th percentile on a reading achievement test later receive higher scores on a similar test; students above the 90th percentile receive lower scores on the second test administration.
a. experimental mortality
b. reactive effect of testing
c. statistical regression
d. maturation
e. instrumentation
Common Shelduck (Tadorna tadorna) is a waterfowl species shelduck genus Tadorna - Breeding male
Group therapy.
A group of capped langurs.
The Normal Distribution of Scores for a Standardized Intelligence Test
Comparison of Female and Male Pelves
this is a math question