Homework answers / question archive / Question 31 0 / 2 pts By employing randomization, the researcher ensures that    one group is different than the other

Question 31 0 / 2 pts By employing randomization, the researcher ensures that    one group is different than the other

Psychology

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Question 31

0 / 2 pts

By employing randomization, the researcher ensures that

  

one group is different than the other.

   

participants are manipulated at random.

   

any extraneous factor is as likely to affect one group as it is to affect the other.

   

All of these

 

 

UnansweredQuestion 32

0 / 2 pts

A researcher manipulates the amount of lighting in a workspace and then observes its effect on a group's productivity. This situation represents which element of inference of cause?

  

Temporal precedence

   

Covariation between variables

   

Elimination of possible causes

   

Environmental stability

 

 

UnansweredQuestion 33

0 / 2 pts

A measure has construct validity if it

  

measures what it is intended to measure.

   

is given to participants in a laboratory setting.

   

contains a large amount of true score.

   

All of these

 

 

UnansweredQuestion 34

0 / 2 pts

When you accept unquestionably what your own personal judgment tells you about the world, you are relying on _______.

  

skepticism

   

authority

   

intuition

   

scientific understanding

 

 

UnansweredQuestion 35

0 / 2 pts

A researcher observed that drinking coffee improved performance on complex math problems up to a point. The researcher also noted, however, that excessive coffee drinking actually interferes with problem solving. What type of relationship was observed?

  

Positive linear

   

Negative linear

   

Curvilinear

   

No relationship

 

 

UnansweredQuestion 36

0 / 2 pts

The statement, "Participants in quiet environments score consistently higher on math achievement tests than participants in noisy environments" is an example of ________ behavior; while the statement, "The difference between participants in quiet versus noisy rooms on math achievement scores occurs because there is less distraction in quiet rooms" is an example of ________ behavior.

  

explaining; determining the cause of

   

explaining; predicting

   

describing; determining the cause of

   

describing; predicting

 

 

UnansweredQuestion 37

0 / 2 pts

The American Psychological Association computer database that stores the contents of
Psychological Abstracts is

  

PsycINFO.

   

Psychological Abstracts.

   

Social Science Citation Index.

   

None of these

 

 

UnansweredQuestion 38

0 / 2 pts

Which section of a research article includes the interpretation of a study's findings?

  

Introduction

   

Method

   

Results

   

Discussion

 

 

UnansweredQuestion 39

0 / 2 pts

The Belmont Report's ethical principle of justice on the selection of participants requires

  

researchers limit studies only to those of legal age (e.g., 18 years or older).

   

participants be paid a fair and just wage for taking part in the research.

   

any decisions to include or exclude certain people from the research must be justified
on scientific grounds.

  

All of these

 

 

UnansweredQuestion 40

0 / 2 pts

When evaluating the claims of a scientist, we should do all of the following except _____________?

  

ask about the scientist's credentials

  

examine the funding source

   

be skeptical of pseudoscience

   

disregard applied research

 

 

UnansweredQuestion 41

0 / 2 pts

Observation of the world around us, is a good place to get ideas for research. Which of the following best illustrates a research idea that comes from the world around us?

  

the relationship of sexually degrading music lyrics and early sexual behaviors

   

using the theory of evolution to investigate a new problem

   

advancing work done by authors in 1988

   

Birds of a feather flock together

 

 

UnansweredQuestion 42

0 / 2 pts

The finding that a person's shoe size is not associated with their family income suggests

  

a positive linear relationship.

   

a negative linear relationship.

   

a curvilinear relationship.

   

no relationship.

 

 

UnansweredQuestion 43

0 / 2 pts

In Milgram's study on obedience, telling participants the purpose of the experiment was to study learning and memory was an example of

  

psychological stress.

   

deception.

   

informed consent.

   

debriefing.

 

 

UnansweredQuestion 44

0 / 2 pts

The experimental method eliminates the thirdvariable problem by

  

keeping extraneous variables constant.

   

randomly assigning participants to groups.

  

Both a and b

   

Neither a nor b

 

 

UnansweredQuestion 45

0 / 2 pts

Research by Blanchflower & Oswald (2008) found that both younger and older adults are happier than adults in their 40's. This relationship can best be described as a ______________?

  

positive correlation

   

negative correlation

   

curvilinear correlation

   

no correlation

 

 

UnansweredQuestion 46

0 / 2 pts

Which of the following is NOT a procedural option to deception?

  

Role-playing

   

Simulation studies

   

Psychodrama

   

Honest experiments

 

 

UnansweredQuestion 47

0 / 2 pts

When participants are categorized into groups based on some difference rather than through random assignment, this design is referred to as a(n) _____ design.

  

experimental method

   

ex post facto

   

participant

   

attribute

 

 

UnansweredQuestion 48

0 / 2 pts

When increases in the values of one variable are associated with both increases and decreases in the values of a second variable, what type of relationship is present?

  

Positive linear

   

Confounded

  

Curvilinear

   

Negative linear

 

 

UnansweredQuestion 49

0 / 2 pts

A researcher asks male and female participants to rate the desirability of potential neighbors on the basis of the potential neighbor's occupation. Which one of the following is a situational variable?

  

Gender of the research participant

   

Desirability ratings

   

Potential neighbor's occupation

  

All of these

 

 

UnansweredQuestion 50

0 / 2 pts

The scientific method differs from intuition and authority in that the scientific method

  

does not rely on accepting assertions set forth by others.

   

does not rely on one's own personal perceptions of the world.

  

provides an objective set of rules for gathering, evaluating, and reporting information.

  

All of these.