Exam 2: Psychological Science

Jamal is performing statistical analyses to determine whether the effects of the treatment in his experiment might actually have reflected chance; Kendra is performing an analysis to combine the results of a number of experiments to yield an overall conclusion. Jamal is performing a ________; Kendra, a _________.

Which of the following is the goal of descriptive research

Which of the following sequences of correlation coefficients correctly arranges the relationships between three pairs of two variables in order of increasing strength

Helena proposes that the more impulsive a student is, the more likely he or she will be to change answers on a multiple-choice test. The variable(s) in this statement is/are:

Which of the following sequence correctly orders scientific concepts from the most specific to the most general?

Dr. Brandt is examining the relationship between how challenging participants say their jobs are and how much time they say they spend surfing the Web at work. Dr. Brandt is likely to compute a(n) _________.

Anderson and Dill (2000) studied the effects of playing violent video games on white noise blasts in laboratory study. In this study the white noise was which of the following

"Solve for x," states an eighth-grade mathematics text. Because x can assume different values, it is termed a(n) __________.

The mean, median, and mode are measures of ____________.

Applied research answers fundamental questions about behavior.

Consider the following small data set: 4, 5, 5, 6, 6, 6, 7, 9, 9, 10. Which alternative below correctly identifies the mean, median, or mode of the data set

Dr. Ellis performs an experiment to test the hypothesis that alcohol consumption increases verbal aggression. However, the alcohol group contained mostly men, whereas the no-alcohol group contained mostly women. In this experiment, gender is a(n ) _________ variable.

Which alternative best describes the purpose of meta-analyses with respect to establishing the validity of research

Debriefing involves a full explanation of the purposes and procedures of the research.

Trent, a doctoral student in psychology, is preparing his dissertation proposal. The institutional review board (IRB) at his university will approve his research if they determine that

"Opposites attract." "Birds of a feather flock together." These aphorisms are:

Alyssa predicts that caffeine will improve her participants' performance on a visual tracking task. Alyssa has formed a(n) _________.

Which of the following alternatives correctly matches a research design with its goal

What does a psychologist usually mean when she says a particular experimental result is 'statistically significant'

__________ variables make it impossible to attribute the effect of an experiment to the independent variable.