Chapter 2: Psychological Research

________ is/are often conducted with large numbers of participants and can even be conducted by phone, email, or mail.

surveys

A group of preschool-age children are enrolled in a study that plans to follow them over time in order to assess behaviors and other characteristics that may predict later development of schizophrenia. This is an example of a(n) ________ design.

longitudinal

________ research studies the same groups of participants over time.

longitudinal

A negative correlation means ________.

one variable decreases as the other increases

Question 8 The Tuskegee Syphilis Study was ethically problematic because ________.

participants were not allowed to seek available treatment

Simply expecting something to happen can make it happen. This describes ________.

placebo effect

Which of the following represents a strong negative correlation?

??? +0.2(not correct)

One hundred introductory psychology students are surveyed about their intended majors. The results indicate that more women than men intend to pursue a psychology major, whereas more men than women intend to pursue a history major. What do these results indicate?

There is a relationship between gender and intended major.

The possible range for a correlation coefficient is ________.

between -1 and +1

Which of the following would be the best example of a valid naturalistic observation study in driving behavior?

watching footage obtained from cameras set up unobtrusively on various streets