Which of the following is an example of a cinder cone volcano?
a. kilauea
b. parícutin
c. himalayas
d. mount saint helens

fragments of volcanic rock and ash that build up to form cinder cones are known as
a. melting rocks.
b. rising magma.
c. pyroclastic flows.
d. pyroclastic deposits.

Which of the following scenarios illustrates the error in thinking known as overconfidence? choose the correct answer from the following choices, and then select the submit answer button. over the years, about 45 percent of the students in dr. hunt's introductory psychology course have correctly predicted their major, but their confidence in this prediction has been about 75 percent on average. maria was afraid she would fail her introductory psychology midterm. when she got an a, she convinced herself that she had known all along she would do well on the exam. over the years, about 45 percent of the students in dr. hunt's introductory psychology course have correctly predicted their major, and their confidence in this prediction has also been about 45 percent on average. five students in dr. hunt's introductory psychology course were unwilling to predict major because they were afraid of making an incorrect prediction.

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject. a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher. wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners. acceptable only when the researcher’s irb grants a special waiver.

Read the quote about government in iran. “we thought that mr. khatami’s victory was a victory for us as well. the election of a more democratic government seemed to be a bright new beginning . . but within less than a year of the election, the journalists, reformists, and intellectuals began to be persecuted by hard-liners in the judiciary and intelligence ministry . .” —camella entekhabifard, “tehran’s eternal youth,” new york times based on this quote, how does camella entekhabifard feel about the iranian government? a. she supports reforms and was disappointed when they did not come about. b. she supports hard-liners who want the supreme leader to have more power. c. she believes reformers should be silenced to keep iran's government strong. d. she supports a more democratic government but opposes freedom of speech.