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Homework answers / question archive / Question 1)   The extent to which a procedure measures what it is supposed to measure in the procedure's       Answers: reliability     validity   control   power       Question 2         Dr

Question 1)   The extent to which a procedure measures what it is supposed to measure in the procedure's       Answers: reliability     validity   control   power       Question 2         Dr

Physics

Question 1)

 

The extent to which a procedure measures what it is supposed to measure in the procedure's

     

Answers:

reliability

 

 

validity

 

control

 

power

     
  • Question 2

 

   
 

Dr. Bell constructs an IQ test and finds that Caucasians score higher on average than Hispanics. The construct validity of the IQ test as a measure of true intelligence should be questioned if

     

Answers:

the IQ scores do not correlate with other measures of intelligence, such as grade point average.

 

we cannot generalize these scores to the population

 

 

those taking the test are not fluent in English

 

the test measures intelligence only

     
  • Question 3

 

   
 

You could demonstrate that your study of organizational commitment among factory workers had external validity by

     

Answers:

 

seeing whether the results generalize to factory workers in other organization

 

finding a significant difference in commitment between lazy and hard workers

 

using confounding variables

 

making sure that your measure reflects the variable you are interested in.

     
  • Question 4

 

   
 

Experiments  have high _____and low _____.

     

Answers:

content validity; control

 

 

internal validity;external validity

 

external validity;internal validity

 

control;content validity

     
  • Question 5

 

   
 

The best way to control and balance extraneous participant variables (i.e. factors or characteristics about participants that can affect measurement) in a true experiment is through

     

Answers:

 

random assignment

 

systematic sampling

 

random sampling

 

stratified sampling

     
  • Question 6

 

   
 

Dr. Block, a social psychologist, enlisted several undergraduate students to help out in his study.  They posed as victims of a crime and asked "real" participants to help them. The proper research term for Dr. Block's undergraduate students is

     

Answers:

assistants

 

helpers

 

evaluators

 

 

confederates

     
  • Question 7

 

   
 

How many levels or conditions of the independent variable are needed to conduct a true experiment?

     

Answers:

None

 

At least one

 

 

At least two

 

At least three

     
  • Question 8

 

   
 

Kelly does a study of manual dexterity in which she asks half of her participants to practice juggling.  Unfortunately, they enjoy the experiment so much that they tell all their friends and many of Kelly's subsequent participants ask when they will get to juggle.  The proble Kelly is experiencing is called

     

Answers:

a confound

 

lack of random assignment

 

lack of ecological validity

 

 

diffusion of treatment

     
  • Question 9

 

   
 

In his research on visual perception and motor coordination, Dr. Jones uses university baseball players as his participants.  On average, the worst scoring participant has a very high target hit rate, thus everyone's scores are high.  The range of scores is restricted due to

     

Answers:

habituation

 

 

a ceiling effect

 

an instrumentation effect

 

a floor effect

     
  • Question 10

 

   
 

A pilot study is

     

Answers:

the same as a manipulation check

 

 

a miniature version of a study to test procedures

 

used to create a situation with experimental realism

 

used to restrict the range of a study

     

 

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