Psychology Mariska is participating in a research study to determine whether she can detect the difference between two amounts: a circle containing two dots versus a circle with no dots inside. The researcher shows her the empty circle repeatedly until she looks away while it is on the screen. Then the researcher shows Mariska the circle with two dots in it and records how long she stares at it. What research method is being used?

Why might polar bears become extinct

Which of the following summarizes jefferson's views of "the people" in this passage?

Which statement from the excerpt shows that president obama believes it is the president's duty to ensure that native american nations are involved in the democratic process? a. "when anybody in this country is not being treated equally under the law . . it's my job as president to solve it." b. "i made it a point to meet with tribal leaders . . because i wanted to make sure our country did better by our first americans." c. "i wanted to change the relationship between our governments—to elevate your voices in washington and give your tribes greater say over the decisions that affect the lives of your people every day." d. "and i wanted to turn the page on a history that is riddled with too many broken promises, [and] write a new chapter with a spirit of respect and trust."