Igor wanted to do an experiment testing the effects of a new classroom strategy for teaching reading on the reading skills of elementary school students. He used random assignment and wanted to make sure that neither the subjects nor the experimenters knew which was the experimental group and which was the control group. It would be best to use the
a. ex post facto design.
b. static-group comparison.
c. one-group pretest-posttest design.
d. double-blind design.
e. Solomon 4-group design
D
You might also like to view...
Rather than having a top-down, bureaucratically arranged government regulatory program, media can engage in _____, saving taxpayer money for infrastructure, schools, and the welfare state.
A. self-regulation B. self-censorship C. self-imposed sanction schemes (SSS) D. social problems management
One of the concerns of China’s impending marriage squeeze is:
a. an increase in fertility b. an expansion of the sex industry c. an increase in sex-selective abortions d. delayed marriage
The Americans with Disabilities Act was signed into law by __________
A) President George W. Bush B) President George H. W. Bush C) President Ronald Reagan D) President Bill Clinton
What is described as “the Good War”?
a. any revolutionary war fought for independence and freedom b. a war approved by religious leaders and supported by religious beliefs c. World War II, at least as it is remembered in the US d. any war, once it is over