When the null hypothesis is rejected,
a. you are stating that there is only one population of research participants.
b. you are stating that the independent variable had no effect on the dependent variable.
c. you are stating that nothing (null) was found.
d. you are saying that your finding is statistically significant.
Question 2
In a single-case experiment that is essentially an interrupted time series, the ability to determine that the treatment has an effect
a. requires that the participant understand that his or her behavior must change.
b. requires that the experimenter must be able to predict what the behavior would have been without the treatment.
c. requires that the mean of the pretreatment session be significantly lower than the mean of the posttreatment session.
d. requires that the mean of all pretreatment sessions be significantly higher than the mean of all of the posttreatment sessions.
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
Limiting factors restrain population growth
Breakdown of the Population by Schooling and Wages
Relationship Between Income per Capita and Population Growth
Marking for Population Study
Demographic transition model for changes in population growth rates and sizes, correlated with long-