Question 1

We can MOST accurately estimate the mean of a population if

Accepted Answer

A)  a sample is large in size and low in variability. 
B)  a sample is small in size and high in variability. 
C)  a sample is large in size and high in variability. 
D)  a sample is small in size and low in variability. 
A)  a sample is large in size and low in variability. 
B)  a sample is small in size and high in variability. 
C)  a sample is large in size and high in variability. 
D)  a sample is small in size and low in variability.

Question 2

Statistical significance refers to whether research

Accepted Answer

A)  variables are causally related. 
B)  participants were randomly assigned to particular conditions. 
C)  findings are due to chance variations. 
D)  results add support to previous findings. 
A)  variables are causally related. 
B)  participants were randomly assigned to particular conditions. 
C)  findings are due to chance variations. 
D)  results add support to previous findings.

Question 3

The mode of a distribution of scores is the

Accepted Answer

A)  score exceeded by 50 percent of all the scores. 
B)  most frequently occurring score. 
C)  arithmetic average of all the scores. 
D)  difference between the highest and lowest scores. 
A)  score exceeded by 50 percent of all the scores. 
B)  most frequently occurring score. 
C)  arithmetic average of all the scores. 
D)  difference between the highest and lowest scores.

Question 4

The ________ is a measure of ________.

Accepted Answer

A)  median;variation 
B)  range;central tendency 
C)  standard deviation;variation 
D)  normal curve;central tendency 
A)  median;variation 
B)  range;central tendency 
C)  standard deviation;variation 
D)  normal curve;central tendency

Question 5

To decide whether observed differences between samples reflect actual differences between populations,you should determine the ________ of the observed differences.

Accepted Answer

A)  mean 
B)  median 
C)  standard deviation 
D)  statistical significance 
A)  mean 
B)  median 
C)  standard deviation 
D)  statistical significance

Exam 3: Research Strategies: How Psychologists Ask and Answer Questions

We can MOST accurately estimate the mean of a population if

Statistical significance refers to whether research

The mode of a distribution of scores is the

The ________ is a measure of ________.

To decide whether observed differences between samples reflect actual differences between populations,you should determine the ________ of the observed differences.

The History and Scope of Psychology

Thinking Critically with Psychological Science

Neural and Hormonal Systems

The Brain

Behavior Genetics and Evolutionary Psychology

Environmental Influences on Behavior, and Reflections on Nature and Nurture

Prenatal Development and the Newborn

Infancy and Childhood

Adolescence

Adulthood, and Reflections on Developmental Issues

Introduction to Sensation and Perception

Vision

Hearing

Other Senses

Perceptual Organization

Perceptual Interpretation

Waking and Sleeping Rhythms

Hypnosis

Drugs and Consciousness

Classical Conditioning

Operant Conditioning

Learning by Observation

Introduction to Memory

Encoding: Getting Information In

Storage: Retaining Information

Retrieval: Getting Information Out

Forgetting, Memory Construction, and Applying Memory Principles to Your Own Education

Thinking

Language and Thought

Introduction to Intelligence

Assessing Intelligence

Genetic and Environmental Influences on Intelligence

Introduction to Motivation

Hunger

Sexual Motivation and the Need to Belong

Motivation at Work

Introduction to Emotion

Experienced Emotion

Expressed Emotion

Stress and Illness

Coping With Stress

Modifying Illness-Related Behaviors

Psychoanalytic Perspective

Humanistic Perspective

Contemporary Research on Personality

Introduction to Psychological Disorders

Anxiety Disorders

Dissociative and Personality Disorders

Mood Disorders

Schizophrenia

The Psychological Therapies

Evaluating Psychotherapies

The Biomedical Therapies

Social Thinking

Appendix

Filters

The is a measure of .