Which of the following is a basic assumption for a chi-square hypothesis test?
A) ?The population distribution(s) must be normal.
B) ?The scores must come from an interval or ratio scale.
C) ?The observations must be independent.
D) ?The sample size is less than 30.
C
You might also like to view...
Dr. Brody reminds her graduate students that development continues until death and that it reflects an ongoing, complex interaction between physical, cognitive, and social factors. Dr. Brody takes a(n) __________ approach to human development.
A. multidirectional B. lifespan C. longitudinal D. "old-school"
Based on their research, some scientists believe that ________
a. adolescents who commit violent crimes should be tried as adults because their cognitive abilities and moral reasoning abilities are like those of an adult. b. full neurological and cognitive maturity often does not occur until about age 25, and many teenagers who commit crimes should be considered "less guilty by reason of adolescence." c. the human brain is fully developed around 10 years of age, so the risky, dumb, or criminal things adolescents do should be blamed entirely on hormonal changes. d. adolescents should be considered as adults in the eyes of the law as soon as they have completed puberty, because physically they are adults at that point.
The biggest risk to male fertility is ____
a. environmental toxins c. chemotherapy b. cell phone use d. radiation
Piaget believed that ____ was important for moral development
a. a strict upbringing b. being able to take the perspective of others c. the use of physical punishment d. an understanding of object permanence