Robyn is conducting a study investigating the effects of ethnicity on humor. Specifically, she has ...

Robyn is conducting a study investigating the effects of ethnicity on humor. Specifically, she has different participants watch comedy routines from several comedians.
 
  For each participant, she records the intensity of their laughs for each comedian. Which way is the dependent measure of humor being assessed?
 
  a. reaction time
  b. frequency of responses
  c. degree of response
  d. percent correct

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The names of the hypotheses for a research study are and .
 
  a. first, second
  b. mutually exclusive, exhaustive
  c. null, research
  d. null, exhaustive

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Which of the following is not one of the three most common types of validity?
 
  a. internal
  b. external
  c. construct
  d. reliable

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When using , the probability of being selected for participation changes with each selection of a participant.
 
  a. sampling without duplication
  b. sampling with replacement
  c. sampling without replacement
  d. sampling with duplication

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The intensity of a response to a stimuli represents which type of way to assess a measure?
 
  a. reaction time
  b. frequency of responses
  c. degree of response
  d. percent correct