7) Which of the following pairs are both essential for a true experiment:
A) Experimenter control of the independent variable and a naturalistic setting
B) Random allocation of participants to conditions and experimenter control of the independent variable
C) Random allocation of participants to conditions and an independent samples design
D) Experimenter control of the independent variable and a laboratory setting

Question

Quizplus · Accepted Answer

Random allocation of participants to conditions is essential to ensure that any differences between the experimental and control groups are not due to pre-existing differences in the characteristics of participants. Experimenter control of the independent variable is also essential to ensure that any observed effects are actually a result of the manipulation of the independent variable. The other options (A, C, and D) either do not include random allocation or do not necessarily involve experimenter control of the independent variable.

7) Which of the Following Pairs Are Both Essential for a True