Maturation is a threat to internal validity and means A) that ...

[yoroshambo]

Maturation is a threat to internal validity and means
 
  A) that the subject (participant) is too immature.
  B) that the subject quits the experiment before it is completed.
  C) that a biological or emotional process within the participants that is not part of the independent variable induces a change in the dependent variable.
 
  D) that the experiment is ripe.

Question 2

Informed consent statements contain
 
  A) a detailed and exact description of the purpose and research procedures, including information on other participants.
 
  B) a picture of the researcher and his staff.
  C) a guarantee of anonymity and the confidentiality of data records.
  D) a fingerprint card.

[Pswine]

Answer to Question 1

C

Answer to Question 2

C

[yoroshambo]

Excellent

[nanny]

Gracias!