When an Experiment Produces Null Results

question 49

Multiple Choice

When an experiment produces null results

• A) it is possible that the experimenter did not use a valid manipulation of the independent variable.
• B) it shows that the independent variable manipulation produced a change in the dependent variable.
• C) it shows that the dependent variable had no effect on the independent variable.
• D) it is possible that the effect of the independent variable occurred by chance.

---

Definitions:

Needs for Competence

The intrinsic motivation that drives individuals to seek out challenges and opportunities to enhance their skills and abilities.

Autonomy

The capacity to make an informed, uncoerced decision; in psychology, it often relates to the sense of control or agency over one's actions and life.

Relatedness

The feeling of being connected or related to others, which is essential for fostering social bonds and personal relationships.

Existence Needs

Basic physical and material well-being necessities like food, shelter, and safety that individuals require.