_____, one of the major types of bias, are primarily biological ...

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_____, one of the major types of bias, are primarily biological and interpersonal characteristics of an experimenter that may cause differential responses in research participants.
 
  a. Demand characteristics
  b. Experimenter attributes
  c. Introspective abilities
  d. Experimenter expectancies

Question 2

When beginning a voluntary group, it is sometimes helpful if the leader has members share their ___________________ _ for the group.
 
  Fill in the blank(s) with correct word

[marict]

Answer to Question 1

b

Answer to Question 2

expectations

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Thanks for the timely response, appreciate it

[FergA]

Gracias!