Changes in a person's current mood, a misreading or misunderstanding of the question, and measuring individuals on different days or in different places are all likely to contribute to
A) random error.
B) systematic error.
C) reliable error.
D) operational error.

Question

Quizplus · Accepted Answer

Random error arises from unpredictable fluctuations and inconsistencies that occur in the data collection process, such as changes in mood, misunderstandings of questions, or variations in testing conditions (like different days or places). These factors do not consistently skew the data in one direction, as systematic error would, but instead introduce variability that is random in nature.

Changes in a Person's Current Mood, a Misreading or Misunderstanding