Laura and Beatrice work at two different shelters for teens who cannot remain in their homes, but are not wards of the court. They have both shown their clients an extraordinary documentary on homeless teens that features two who actually testify to Congress about the need for services. Their clients became much more hopeful about their own futures after seeing the documentary. Word has gotten around about the documentary, and several of their mutual friends want to schedule showings of it. Rosa works at two different facilities, and decides to administer the instrument assessing hopefulness to both of the facilities, show the documentary at one facility, and then administer the assessment again at that facility. This is an example of a(n) ____.
a. basic pre-post randomized experimental design.
b. posttest-only randomized experiment
c. randomized experiment expanded with a nonequivalent control group
d. pretest-posttest nonequivalent groups quasi-experiment
Question 2
Which of the following is not a basic measure of animal learning but rather is caused by the general excitement of the experimental situation for the animal?
a. pseudoconditioning
b. resistance of extinction
c. frequency of responding
d. magnitude of the response
The work of Charles Darwin forms the foundation for modern evolutionary theory.
Ecology at work
Shortly after his death, George Washington had already become myth—part Moses, part angel—in this wo
A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt
A system absorbs 623 J of heat while doing 457 J of work. What is the value of U?
A chemical reaction is run in which 447 Joules of work is done by the system and