Professor russel wants to examine the effectiveness of his new reading instruction method for third graders. he locates two third grade classes in the same school. he assesses all students' current reading ability at the start of the school year. he then has one classroom utilize his new instruction method while the other classroom uses the traditional method. at the end of the school year, professor russell assesses reading ability once again and compares group differences. the design of this study exemplifies which of the following?
a. nonequivalent control group design.
b. static group comparison.
c. solomon two group design.
d. factorial design.

In some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of a postzygotic barrier the founder effect sympatric speciation a prezygotic barrier

Name two things the mycenaeans learned from the minoans

4) what articles do you think a soldier would have in his “old kit bag”?