Dr. devries is interested in measuring how practice in problem solving affects this ability. the population of interest is high school seniors, and the sample consists of students who attend an exclusive college preparatory school. half of the sample receives practice in solving particular types of problems, while the other half does not. both groups take the same problem-solving test. which of the following might best explain why dr. devries may not be able to generalize his findings? a. he is not taking into account how the scores on the test might deviate from one anotherb. his data may be positively skewed. c.he should have conducted his experiment in a lab instead of a natural setting. d.his sample is not representative of the population. e.he did not receive approval from an institutional review board (irb) before beginning his research.

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.

The history of ethical regulations in human subjects research began with the: a. declaration of helsinkib. nuremburg codec. common ruled. belmont report

Explain how civil liberties differ from civil rights and how each are protected in the united states. in your explanation, provide examples of at least one civil liberty and at least one civil right