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brainmania brainmania
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7 years ago
It happens occasionally that a student who is in one of our classes has previously taken the class from another instructor. The repeater students will comment that the class is so much easier with us as instructors.
 
  Now, we might want to believe that we are such great instructors that student learning (the dependent variable) has drastically improved because of us (the independent variable). However, which threat to internal validity better explains the increase in student learning?
 
  a. attrition
  b. testing
  c. diffusion of treatment
  d. instrumentation



PsycINFO and PsycARTICLES are both developed and maintained by APA.
 
  Indicate whether the statement is true or false



An independent variable can have as many conditions as is necessary for the particular study that is being conducted.
 
  Indicate whether the statement is true or false



When two populations overlap greatly on a dependent variable, they are said to have a(n) effect size.
 
  a. small
  b. large
  c. medium
  d. average



PsycArticles is the only full text electronic psychological database.
 
  Indicate whether the statement is true or false
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7 years ago
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brainmania Author
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7 years ago
Helped a lot
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