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Exam 2: Psychology’s Scientific Method

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Question 71

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A key requirement of the process of testing hypotheses in psychological research is _____.

A) experimenter bias
B) conjecture
C) data analysis
D) personal opinion

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Question 72

Multiple Choice

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Aaron wants to study the association between sleep deprivation and the number of hours spent on a computer every day.He is not keen to establish causation,but would like to determine whether and how the increase or decrease in one variable is related to the increase or decrease in the other variable.Which of the following research methods is likely to be most effective for Aaron's study?

A) Survey
B) Correlational research
C) Experimental research
D) Case study

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Question 73

Multiple Choice

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_____ statistics are the mathematical methods that are used to indicate whether results for a sample are likely to generalize to a population.

Professor Milton wants to examine the relationship between brain damage and intelligence levels in adults.She wants to know whether brain damage has any relation to intelligence and,if so,what the extent of this relationship is likely to be.Which of the following psychological research methods is likely to be most suitable to Professor Milton's needs?

In the context of the scientific method of psychology,a hypothesis seeks to explain why certain things have happened and can be used to make predictions about future observations.

Chris makes an observation that the longer a classroom lecture is,the lower the attentiveness of students in the class.In the context of correlational research,the length of the lecture and level of attentiveness are said to have a(n) _____.

Dale,a researcher,conducts a study on two groups.During the study,he is friendlier toward the female participants than he is toward the male participants which makes the women feel more relaxed during the study.In this scenario,Dale might be influencing the results of the experiment through _____ bias.

Researchers' assignment of participants to groups by chance in order to reduce the likelihood that an experiment's results will be due to preexisting differences between groups is known as _____ assignment.

In the context of evaluating theories in psychology,_____ replication means doing a study with different methods or different types of samples.

In an experimental study,group A receives progressive relaxation training before taking a general knowledge test,while group B receives no training before taking the same test.In this student,group A is the _____ group,while group B is the _____ group.

In the context of research settings,researchers who use _____ attempt to view behavior without disturbing the environment.

In the context of inferential statistics,which of the following values represents the highest level of statistical significance?

In an experimental research study,the group that receives treatment is called the _____ group.

Bradley conducts research to validate his hypothesis that increased job satisfaction leads to greater organizational commitment among employees.He collates the existing data from all of the studies that he can locate on the topic.By looking at the data,he establishes that his hypothesis has been consistently proven correct across the studies.In this scenario,the method of study used by Bradley is _____.

Dr.Jimand poses as a student for his study of foreign students who are adjusting to college life in the United States.Dr.Jimand lives in the dorm with the students and attends classes with them.The students do not know that he is a researcher.Which of the following research methods is Dr.Jimand using?

In psychological research,a correlational study is used to determine:

A psychological study indicates a strong positive correlation between two variables.This means that:

Which of the following psychological research methods is likely to be most effective for the purpose of determining the popularity of a social networking site among students in a university?

Saundra says that whenever she drinks coffee in the evenings it interferes with her ability to fall asleep.The more coffee she drinks before sleeping,the less sleep she gets.In the context of correlational research,Saundra is describing a _____ between caffeine intake and sleep.

Which of the following correlation coefficients is indicative of the strongest relationship between two variables?