Question 1

A(n)____________ involves an extremely deep and detailed information-gathering from a single individual over a long period of time.

Accepted Answer

A) case study design 
B) correlational design 
C) experimental design 
D) naturalistic observation design 
A) case study design 
B) correlational design 
C) experimental design 
D) naturalistic observation design

Question 2

Sarah,a graduate student in psychology,just heard about a five-year-old child who has already learned calculus.She is thinking about conducting an in-depth study of the child for her dissertation.Sarah is considering which research method?

Accepted Answer

A) naturalistic observation 
B) experiment 
C) correlational 
D) case study 
A) naturalistic observation 
B) experiment 
C) correlational 
D) case study

Question 3

Experimenter bias can best be controlled using ________.

Accepted Answer

A) a placebo 
B) double-blind control 
C) randomization 
D) subjects who do not know the purpose of the study 
A) a placebo 
B) double-blind control 
C) randomization 
D) subjects who do not know the purpose of the study

Question 4

The IRB is the group that determines:

Accepted Answer

A) whether a hypothesis is valid. 
B) whether the benefits of a proposed study outweigh its potential risks. 
C) whether a study should be published in a scientific journal. 
D) whether animal research is overall an ethical practice. 
A) whether a hypothesis is valid. 
B) whether the benefits of a proposed study outweigh its potential risks. 
C) whether a study should be published in a scientific journal. 
D) whether animal research is overall an ethical practice.

Question 5

If all of the scores in a distribution are clustered closely together,the distribution has ____________.

Accepted Answer

A) low variability 
B) high variability 
C) a positive skew 
D) a negative skew 
A) low variability 
B) high variability 
C) a positive skew 
D) a negative skew

Question 6

Researchers use _________________ to determine whether the difference between groups is statistically significant.

Accepted Answer

A) correlation coefficients 
B) descriptive statistics 
C) hypothesis testing 
D) vector analysis 
A) correlation coefficients 
B) descriptive statistics 
C) hypothesis testing 
D) vector analysis

Question 7

Dr.Nolen wants to know the effects of removing portions of one's hippocampi on long-term memory,in the hopes of one day finding a cure for patients with Alzheimer's disease.The subjects for his study are most likely to be ___________.

Accepted Answer

A) humans 
B) nonhuman animals 
C) robots 
D) insects 
A) humans 
B) nonhuman animals 
C) robots 
D) insects

Question 8

Using random sampling increases the likelihood that the results from studying a sample will generalize to the population.

Accepted Answer

A) True 
 B)False

Question 9

Quasi-experimental designs are similar to true experimental designs,except for what difference?

Accepted Answer

A) random assignment is not possible 
B) there is more than one independent variable 
C) there is more than one dependent variable 
D) there is no dependent variable 
A) random assignment is not possible 
B) there is more than one independent variable 
C) there is more than one dependent variable 
D) there is no dependent variable

Question 10

Why is it difficult to make generalizations based on the results of case study research?

Accepted Answer

A) Because case study research is,by definition,immune to the error of making generalizations. 
B) Because case studies involve far too many people to allow for generalizations.You would be better off using a research design that uses fewer participants. 
C) Because a case study involves only one or a few subjects,their actions may be atypical and not representative of a larger group of people or population. 
D) Because the statistics involved in case study research do not allow one to draw larger conclusions about a population. 
A) Because case study research is,by definition,immune to the error of making generalizations. 
B) Because case studies involve far too many people to allow for generalizations.You would be better off using a research design that uses fewer participants. 
C) Because a case study involves only one or a few subjects,their actions may be atypical and not representative of a larger group of people or population. 
D) Because the statistics involved in case study research do not allow one to draw larger conclusions about a population.

Question 11

A correlation tells us:

Accepted Answer

A) whether a cause-effect relationship exists. 
B) whether two variables are related 
C) whether or not a test is efficient. 
D) if people are responding to demand characteristics. 
A) whether a cause-effect relationship exists. 
B) whether two variables are related 
C) whether or not a test is efficient. 
D) if people are responding to demand characteristics.

Question 12

In a controlled experiment,the group subjected to a change in the independent variable is called the __________ group.

Accepted Answer

A) independent 
B) experimental 
C) dependent 
D) control 
A) independent 
B) experimental 
C) dependent 
D) control

Question 13

Pedro designs an experiment to test whether a drinking protein shake after weightlifting increases muscle development.The independent variable in his experiment is the protein shake.

Accepted Answer

A) True 
 B)False

Question 14

In general,which of the following is true about anecdotal evidence?

Accepted Answer

A) It is reliable as long as the facts are correct. 
B) It takes a long time to collect. 
C) It is the basis for most scientific conclusions. 
D) It is poor and unreliable. 
A) It is reliable as long as the facts are correct. 
B) It takes a long time to collect. 
C) It is the basis for most scientific conclusions. 
D) It is poor and unreliable.

Question 15

When you watch dogs play in the park or watch how your professors conduct their classes,you are engaging in a form of __________.

Accepted Answer

A) case study research 
B) survey research 
C) naturalistic observation 
D) psychometric study 
A) case study research 
B) survey research 
C) naturalistic observation 
D) psychometric study

Question 16

A researcher sets up an experiment to test a new antidepressant medication.One group receives the treatment,and the other receives a placebo.The researcher then measures depression using a standardized self-report measure.What is the independent variable in this case?

Accepted Answer

A) Whether the individuals scored high or low on the depression measure 
B) Whether the individuals received the treatment or a placebo 
C) Whether the individuals were experiencing depression before the study began 
D) Whether the individuals,depression decreased or increased during the study period 
A) Whether the individuals scored high or low on the depression measure 
B) Whether the individuals received the treatment or a placebo 
C) Whether the individuals were experiencing depression before the study began 
D) Whether the individuals,depression decreased or increased during the study period

Question 17

If a set of data has a skewed distribution,which measure of central tendency should be used?

Accepted Answer

A) mean 
B) median 
C) mode 
D) standard deviation 
A) mean 
B) median 
C) mode 
D) standard deviation

Question 18

Dr.Welsh is doing experiments using drugs.He is concerned that his subjects will respond to demand characteristics.He may want to control for this by using which of the following?

Accepted Answer

A) stratification 
B) two independent variables 
C) a placebo 
D) randomization 
A) stratification 
B) two independent variables 
C) a placebo 
D) randomization

Question 19

Which of the following correlations represents the weakest degree of relation between two variables?

Accepted Answer

A) Daily calcium intake and bone mass density,correlation coefficient = +.11 
B) Degree of exposure to lead and IQ scores in children,correlation coefficient = -.12 
C) Hours of exposure to media violence and aggressive behavior,correlation coefficient = +.31 
D) Number of cigarettes smoked per day and incidence of lung cancer,correlation coefficient = +.39 
A) Daily calcium intake and bone mass density,correlation coefficient = +.11 
B) Degree of exposure to lead and IQ scores in children,correlation coefficient = -.12 
C) Hours of exposure to media violence and aggressive behavior,correlation coefficient = +.31 
D) Number of cigarettes smoked per day and incidence of lung cancer,correlation coefficient = +.39

Question 20

Alex,a freshman in college,wants to know how many of her dorm mates have tried marijuana,so she decides to survey everyone on her floor.Despite rumors to the contrary,the results suggest that fewer than ten percent of her classmates have tried the drug.What is the most likely explanation for her findings?

Accepted Answer

A) People being interviewed often change their answers to increase the chances that they will be viewed favorably. 
B) Her dorm mates did not understand the question. 
C) Alex did not calculate the findings correctly. 
D) Surveys are not an acceptable means to gather new information. 
A) People being interviewed often change their answers to increase the chances that they will be viewed favorably. 
B) Her dorm mates did not understand the question. 
C) Alex did not calculate the findings correctly. 
D) Surveys are not an acceptable means to gather new information.

A(n)____________ involves an extremely deep and detailed information-gathering from a single individual over a long period of time.

Sarah,a graduate student in psychology,just heard about a five-year-old child who has already learned calculus.She is thinking about conducting an in-depth study of the child for her dissertation.Sarah is considering which research method?

Experimenter bias can best be controlled using ________.

The IRB is the group that determines:

If all of the scores in a distribution are clustered closely together,the distribution has ____________.

Researchers use _________________ to determine whether the difference between groups is statistically significant.

Dr.Nolen wants to know the effects of removing portions of one's hippocampi on long-term memory,in the hopes of one day finding a cure for patients with Alzheimer's disease.The subjects for his study are most likely to be ___________.

Using random sampling increases the likelihood that the results from studying a sample will generalize to the population.

Quasi-experimental designs are similar to true experimental designs,except for what difference?

Why is it difficult to make generalizations based on the results of case study research?

A correlation tells us:

In a controlled experiment,the group subjected to a change in the independent variable is called the __________ group.

Pedro designs an experiment to test whether a drinking protein shake after weightlifting increases muscle development.The independent variable in his experiment is the protein shake.

In general,which of the following is true about anecdotal evidence?

When you watch dogs play in the park or watch how your professors conduct their classes,you are engaging in a form of __________.

A researcher sets up an experiment to test a new antidepressant medication.One group receives the treatment,and the other receives a placebo.The researcher then measures depression using a standardized self-report measure.What is the independent variable in this case?

If a set of data has a skewed distribution,which measure of central tendency should be used?

Dr.Welsh is doing experiments using drugs.He is concerned that his subjects will respond to demand characteristics.He may want to control for this by using which of the following?

Which of the following correlations represents the weakest degree of relation between two variables?

Introducing Psychological Science

Biological Psychology

Sensation and Perception

Consciousness

Learning

Memory

Thought and Language

Intelligence, aptitude, and Cognitive Abilities

Life Span Development

Motivation and Emotion

Personality

Psychological Disorders

Therapies

Social Psychology

Krause and Corts

Krause and Corts

Filters

Exam 2: Reading and Evaluating Scientific Research

A(n)____________ involves an extremely deep and detailed information-gathering from a single individual over a long period of time.

Sarah,a graduate student in psychology,just heard about a five-year-old child who has already learned calculus.She is thinking about conducting an in-depth study of the child for her dissertation.Sarah is considering which research method?

Experimenter bias can best be controlled using ________.

The IRB is the group that determines:

If all of the scores in a distribution are clustered closely together,the distribution has ____________.

Researchers use _________________ to determine whether the difference between groups is statistically significant.

Dr.Nolen wants to know the effects of removing portions of one's hippocampi on long-term memory,in the hopes of one day finding a cure for patients with Alzheimer's disease.The subjects for his study are most likely to be ___________.

Using random sampling increases the likelihood that the results from studying a sample will generalize to the population.

Quasi-experimental designs are similar to true experimental designs,except for what difference?

Why is it difficult to make generalizations based on the results of case study research?

A correlation tells us:

In a controlled experiment,the group subjected to a change in the independent variable is called the __________ group.

Pedro designs an experiment to test whether a drinking protein shake after weightlifting increases muscle development.The independent variable in his experiment is the protein shake.

In general,which of the following is true about anecdotal evidence?

When you watch dogs play in the park or watch how your professors conduct their classes,you are engaging in a form of __________.

A researcher sets up an experiment to test a new antidepressant medication.One group receives the treatment,and the other receives a placebo.The researcher then measures depression using a standardized self-report measure.What is the independent variable in this case?

If a set of data has a skewed distribution,which measure of central tendency should be used?

Dr.Welsh is doing experiments using drugs.He is concerned that his subjects will respond to demand characteristics.He may want to control for this by using which of the following?

Which of the following correlations represents the weakest degree of relation between two variables?

Introducing Psychological Science

Biological Psychology

Sensation and Perception

Consciousness

Learning

Memory

Thought and Language

Intelligence, aptitude, and Cognitive Abilities

Life Span Development

Motivation and Emotion

Personality

Psychological Disorders

Therapies

Social Psychology

Krause and Corts

Krause and Corts

Filters