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D. case study

. In a written report of their research, psychologists specify exactly how anxiety is assessed, thus providing their readers with a(n) A. hypothesis. B. independent variable. C. operational definition. D. case study

B. causes and effects.

. Researchers use experiments rather than other research methods in order to distinguish between A. facts and theories. B. causes and effects. C. case studies and surveys. D. random samples and representative sample

B. social-cultural

Dr. Wilson attributes the delinquent behaviors of many teens to the pressures associated with being members of street gangs. Her account best illustrates a(n) ________ perspective. A. behavior genetics B. social-cultural C. neuroscience D. evolutionary

B. random sampling.

Governor Donovan was greeted by large, enthusiastic crowds at all of his political rallies. As a result, he became overconfident about his chances of re-election. In this instance, the governor needs to be alerted to the value of A. replication. B. random sampling. C. experimental control. D. naturalistic observation.

A. the participants are representative of the population they are interested in studying.

In a survey, psychologists select a random sample of research participants in order to ensure that A. the participants are representative of the population they are interested in studying. B. there will be a large number of participants in the research study. C. the study will not be influenced by the researcher's personal values. D. the same number of participants will be assigned to each of the experimental conditions.

D. an experiment.

In a test of the effects of sleep deprivation on problem-solving skills, research participants are allowed to sleep either 4 or 8 hours on each of three consecutive nights. This research is an example of A. naturalistic observation. B. survey research. C. a case study. D. an experiment.

B. the survey

In which type of research is a representative, random sample of people asked to answer questions about their behaviors or attitudes? A. experimentation B. the survey C. the case study D. naturalistic observation

C. experimentation

In which type of research would an investigator manipulate one factor in order to observe its effect on some behavior or mental process? A. the survey B. the case study C. experimentation D. naturalistic observation

B. nature and nurture.

Lissette wonders whether personality differences between her African-American and AsianAmerican friends result from biological or cultural influences. In this instance, Lissette is primarily concerned with the relative contributions of A. neuroscience and cognition. B. nature and nurture. C. behavior and mental processes. D. conscious and unconscious thoughts.

B. replication

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? A. naturalistic observation B. replication C. random sampling D. the case study

B. naturalistic observation.

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 A. survey research. B. naturalistic observation. C. experimentation. D. replication.

C. naturalistic observation.

Psychologists who carefully watch the behavior of chimpanzee societies in the jungle are using a research method known as A. the survey. B. experimentation. C. naturalistic observation. D. the case study.

A. a single individual is studied in great depth.

The case study is a research method in which A. a single individual is studied in great depth. B. a representative sample of people are questioned regarding their opinions or behaviors. C. organisms are carefully observed in a laboratory environment. D. an investigator manipulates one or more variables that might affect behavior.

D. random sampling.

To assess reactions to a proposed tuition hike at her school, Ariana sent a questionnaire to every fifteenth person in the registrar's alphabetical listing of all currently enrolled students. Ariana is ensuring that her survey results are accurate by using A. random assignment. B. naturalistic observation. C. replication. D. random sampling.

B. naturalistic observation

To compare the pace of life in different countries, investigators measured the speed with which postal clerks completed a simple request. Which research method did this illustrate? A. the case study B. naturalistic observation C. the double-blind procedure D. the survey

B. correlational research.

To determine whether the strength of people's self-esteem is related to their income levels, researchers would most likely make use of A. case studies. B. correlational research. C. experimentation. D. naturalistic observation.

C. correlational measures.

To discover the extent to which economic status can be used to predict political preferences, researchers are most likely to use A. the case study approach. B. naturalistic observation. C. correlational measures. D. experimental research.

D. experiments.

To find out whether breast-milk feeding contributes to the intellectual development of children, psychologists used A. case studies. B. surveys. C. naturalistic observations. D. experiments.

B. the case study

To understand the unusual behavior of an adult client, a clinical psychologist carefully investigates the client's current life situation and his physical, social-cultural, and educational history. Which research method has the psychologist used? A. the survey B. the case study C. experimentation D. naturalistic observation

A. naturalistic observation.

University of Texas students were fitted with belt-worn tape recorders for up to four days so that researchers could sample their daily activities. The researchers employed a scientific method known as A. naturalistic observation. B. the double-blind procedure. C. replication. D. the case study.

C. random sampling

Which of the following is most useful for helping survey researchers avoid false generalizations? A. the case study B. naturalistic observation C. random sampling D. operational definitions

B. the experiment

Which of the following methods is most helpful for revealing cause-effect relationships? A. the survey B. the experiment C. correlational research D. naturalistic observation

C. social-cultural

Which perspective would focus on the extent to which different styles of parenting are encouraged among various ethnic groups? A. evolutionary B. psychodynamic C. social-cultural