Question 1

The control group in an experiment is the group of people who have some control over what happens.​

Accepted Answer

A) True 
 B)False  False

Question 2

A before-and-after study can provide invalid results if it has no ________ group.​

Accepted Answer

control​

Question 3

Some statistically significant results represent only random fluctuations in the data.​

Accepted Answer

A) True 
 B)False  True

Question 4

A scientist has formed the following hypothesis: Students who listen to music while studying will take longer to complete their reading and remember less of it.Once she has constructed her hypothesis,what are the three steps that she should follow to complete her experiment? State the steps and give an example of how to complete each step.​

Accepted Answer

The first step is to devise a method to

Question 5

If most patients recover from depression after a few months of therapy,we can conclude that the therapy was helpful.​

Accepted Answer

A) True 
 B)False

Question 6

A researcher who wants to generalize the findings to apply to the whole population will,ideally,get what kind of sample? __________​

Accepted Answer

random sam

Question 7

After defining the variables involved in a study,scientists have to identify individuals to study.The population is the group of individuals to whom we hope our conclusions will apply.Researchers generally hope that their conclusions will apply to a large population,such as all 20-year-olds in the country.Because it is not practical to examine everyone in the population,researchers study a sample of people and assume that the results for the sample apply to the whole population.Briefly define the following types of samples: convenience sample,representative sample,random sample,and cross-cultural sample.​

Accepted Answer

Convenience Sample: a group chosen becau

Question 8

Claims for extrasensory perception are neither parsimonious nor replicable.​

Accepted Answer

A) True 
 B)False

Question 9

Recently,many psychologists have worried that because of random fluctuations in data,some published results,even though they are statistically significant,may not be __________.​

Accepted Answer

The answer of Recently,many psychologists have worried that because of...

Question 10

Consider the following set of scores on a quiz: 70,100,85,70,75.The median for this set of scores is 75.

Accepted Answer

A) True 
 B)False

Question 11

A sample of the population that matches the whole population in percentage of males and females,old and young,and so on,is a(n)_______________ sample.​

Accepted Answer

The answer of A sample of the population that matches...

Question 12

An experimenter manipulates one variable to see how it affects a second variable.The one the experimenter measures to see how it was affected is the ___________ variable.​

Accepted Answer

The answer of An experimenter manipulates one variable to see...

Question 13

If different researchers consistently get similar results,we say the results are _________.​

Accepted Answer

The answer of If different researchers consistently get similar results,we...

Question 14

The goal of scientific research is to establish comprehensive explanations of observable events.These explanations are called ____________________.​

Accepted Answer

The answer of The goal of scientific research is to...

Question 15

If every individual in the population has an equal chance of being selected for a sample,the sample is said to be a(n)____________________ sample.​

Accepted Answer

The answer of If every individual in the population has...

Question 16

To evaluate the effects of expectations,a researcher might give the experimental group a new drug and give the control group an inactive pill,known as a(n)_________​

Accepted Answer

The answer of To evaluate the effects of expectations,a researcher...

Question 17

Why are most psychological researchers skeptical of the idea of extrasensory perception?​

Accepted Answer

First,despite many attempts,no one has f

Question 18

If variable A has a strong positive correlation with variable B,then changes in variable A cause changes in variable B.​

Accepted Answer

A) True 
 B)False

Question 19

In an experiment on how coffee affects alertness,the amount of coffee would be the dependent variable.​

Accepted Answer

A) True 
 B)False

Question 20

Changing the wording of a survey question causes many people to answer differently.​

Accepted Answer

A) True 
 B)False

Exam 2: A: Scientific Methods in Psychology

The control group in an experiment is the group of people who have some control over what happens.​

A before-and-after study can provide invalid results if it has no ________ group.​

Some statistically significant results represent only random fluctuations in the data.​

If most patients recover from depression after a few months of therapy,we can conclude that the therapy was helpful.​

A researcher who wants to generalize the findings to apply to the whole population will,ideally,get what kind of sample? __________​

Claims for extrasensory perception are neither parsimonious nor replicable.​

Recently,many psychologists have worried that because of random fluctuations in data,some published results,even though they are statistically significant,may not be __________.​

Consider the following set of scores on a quiz: 70,100,85,70,75.The median for this set of scores is 75.

A sample of the population that matches the whole population in percentage of males and females,old and young,and so on,is a(n)_______________ sample.​

An experimenter manipulates one variable to see how it affects a second variable.The one the experimenter measures to see how it was affected is the ___________ variable.​

If different researchers consistently get similar results,we say the results are _________.​

The goal of scientific research is to establish comprehensive explanations of observable events.These explanations are called ____________________.​

If every individual in the population has an equal chance of being selected for a sample,the sample is said to be a(n)____________________ sample.​

To evaluate the effects of expectations,a researcher might give the experimental group a new drug and give the control group an inactive pill,known as a(n)_________​

Why are most psychological researchers skeptical of the idea of extrasensory perception?​

If variable A has a strong positive correlation with variable B,then changes in variable A cause changes in variable B.​

In an experiment on how coffee affects alertness,the amount of coffee would be the dependent variable.​

Changing the wording of a survey question causes many people to answer differently.​

What Is Psychology

Scientific Methods in Psychology

Biological Psychology

A: Biological Psychology

Sensation and Perception

A: Sensation and Perception

Development

A: Development

Learning

A: Learning

Memory

A: Memory

Cognition and Language

A: Cognition and Language

Intelligenceintelligence

A: Intelligence Intelligence

Consciousnessconsciousness

A: Consciousnessconsciousness

Motivated Behaviorsmotivated Behaviors

A: Motivated Behaviorsmotivated Behaviors

Part 1 Emotions,stress,and Healthemotions,stress,and Health

A: Emotional,stress,and Healthemotional,stress,and Health

Social Psychologysocial Psychology

A: Social Psychologysocial Psychology

Personalitypersonality

A: Personalitypersonality

Part 1 Abnormal Psychology: Disorders and Treatmentabnormal Psychology: Disorders and Treatment

A: Abnormal Psychology: Disorders and Treatmentabnormal Psychology: Disorders and Treatment

Filters

The control group in an experiment is the group of people who have some control over what happens.

A before-and-after study can provide invalid results if it has no ________ group.

Some statistically significant results represent only random fluctuations in the data.

If most patients recover from depression after a few months of therapy,we can conclude that the therapy was helpful.

A researcher who wants to generalize the findings to apply to the whole population will,ideally,get what kind of sample? __________

Claims for extrasensory perception are neither parsimonious nor replicable.

Recently,many psychologists have worried that because of random fluctuations in data,some published results,even though they are statistically significant,may not be __________.

A sample of the population that matches the whole population in percentage of males and females,old and young,and so on,is a(n)_______________ sample.

An experimenter manipulates one variable to see how it affects a second variable.The one the experimenter measures to see how it was affected is the ___________ variable.

If different researchers consistently get similar results,we say the results are _________.

The goal of scientific research is to establish comprehensive explanations of observable events.These explanations are called ____________________.

If every individual in the population has an equal chance of being selected for a sample,the sample is said to be a(n)____________________ sample.

To evaluate the effects of expectations,a researcher might give the experimental group a new drug and give the control group an inactive pill,known as a(n)_________

Why are most psychological researchers skeptical of the idea of extrasensory perception?

If variable A has a strong positive correlation with variable B,then changes in variable A cause changes in variable B.

In an experiment on how coffee affects alertness,the amount of coffee would be the dependent variable.

Changing the wording of a survey question causes many people to answer differently.