Exam 1: Tiinking Critically With Psychological Science

The strength of the relationship between two vivid events will most likely be

Which research method provides the best way of assessing whether cigarette smoking boosts mental alertness?

The most effective way of assessing the impact of hormone replacement therapy on women's health is by means of

Studying people of all races and cultures is most helpful for

In which type of research is a representative, random sample of people asked to answer questions about their behaviors or attitudes?

Professor Ambra was skeptical about the accuracy of recently reported research on sleep deprivation. Which process would best enable her to assess the reliability of these findings?

If a set of standardized test scores is normally distributed, having a mean of 75 and a standard deviation of 6, approximately 95 percent of the scores are somewhere between

Professor Ober carefully observes and records the behaviors of children in their classrooms in order to track the development of their social and intellectual skills. Professor Ober is most clearly engaged in

Statistical significance refers to whether research

Which of the following provides a rough indication of the degree of variation among a set of scores?

Hindsight bias leads people to perceive research findings as

Abdul has volunteered to participate in an experiment evaluating the effectiveness of aspirin. Neither he nor the experimenters know whether the pills he takes during the experiment contain aspirin or are merely placebos. The investigators are apparently making use of

A positive correlation between self-esteem and academic success would indicate that

Which research method assesses how well one variable predicts another without demonstrating a cause-and-effect relationship between the variables?

A negative correlation between people's work-related stress and their marital happiness would indicate that

In a test of the effects of air pollution, groups of students performed a reaction-time task in a polluted or an unpolluted room. To what condition were students in the unpolluted room exposed?

To learn about the political attitudes of all students enrolled at Arizona State University, Professor Marlow randomly selected 800 of these students to complete a questionnaire. In this instance, all the students enrolled at Arizona State University are considered to be a(n)

A hypothesis is a(n)

Random assignment is most likely to be used in ________ research.

If university graduates typically earn more money than high school graduates, this would indicate that level of education and income are