Mr. Gregg wants to help his second-grade students improve their reading skills. He
tests the students with 20 reading comprehension questions at the beginning of the
year. Every week throughout the year he gives the students 30 minutes of reading
comprehension tips. He tests the students at the end of the year with 20 reading
comprehension questions that are similar in difficulty to those in the original test. He
finds that the students' reading comprehension has increased and concludes that his
tips worked. Which of the following describes the most significant problem with Mr.
Gregg's study?
A.)Mr. Gregg failed to account for changes in the students' maturity
B.)It was unethical of Mr. Gregg to test the children without their parent's consent
C.)Mr. Gregg should have used the same test to ensure reliability
D.)Mr. Gregg should have had someone else test the children in case he was showing
experimenter bias
E.)Mr. Gregg should have tested his students every month so he could more accurately track their
progress.

When children heard an interesting story about a sympathetic and resourceful african-american child, the aim was to provide them with?

Which graph shows the temporary relationship between the aggregate price level and the aggregate quantity supplied? a. long-run aggregate supply curve b. aggregate demand curve c. short-run aggregate supply curve d. point of equilibrium

Middle schoolhistory 5+3 pts 1. the pacific islands formed by coral reefs are called (1 point) a. volcanic. b. reefs. c. atolls. d. plates. 2. what is a reason few people have settled in the interior of australia? (1 point) a.no mineral wealth is in the area. b.land is too expensive. c.the area is too dangerous. d.the area has little water and arable land. 3. what was one effect of plate movement on the pacific region? (1 point) a.australia and new zealand became b.connected to north america. c.plate movement isolated many species. few volcanoes formed. d.the regional climate grew much colder. 4. you live on a small island in the pacific ocean. though beautiful, your island has poor soil for farming and few natural resources. you most likely live (1 point) a.on a densely populated island. b.on the south island of new zealand. c.in new guinea on a volcanic island off the coast of australia. d.on a low island. 5. which change would most likely have to take place first to encourage more human settlement in the outback? (1 point) a.the climate would need to get warmer. b.the winters would need to be milder. c.the region would need more fertile land and water d.people would need to build more cities there. 6. what would be an example of how the maori are reclaiming their culture? (1 point) a.learning english b.playing rugby and other sports c.studying maori culture in schools d.learning how to cook asian cuisine 7. what conclusion can correctly be made about british colonization of this area? (1 point) a.the british policies embraced the cultures of the original inhabitants. b.the british disregarded the cultures of the original inhabitants. c.the british had a neutral policy toward native cultures. d.none of the above plz answer these