Introduction: Does Believing in Free Will Change How You Act?

In this chapter, we are looking at a very famous study by Vohs and Schooler (2008). This study is part of our journey into "The Self". Have you ever wondered if believing you have the power to choose (free will) actually makes you a better person? Or, if you believed that your life was already mapped out for you (determinism), would you feel like you could get away with bad behavior because "it wasn't your fault"?

Vohs and Schooler wanted to find out if taking away someone’s belief in free will would lead them to behave dishonestly. It sounds like a big philosophical question, but they tested it using a simple math task and some clever trickery!

The Study: Vohs and Schooler (2008)

The Value of Believing in Free Will: Encouraging a Belief in Determinism Increases Cheating

Aims of the Study

The researchers wanted to investigate whether a belief in determinism (the idea that our actions are decided by outside forces and not our own choice) would increase the likelihood of cheating. They aimed to see if people who were nudged to think they had no free will would behave less ethically than those who believed they were in control of their actions.

Procedures

Don't worry if this sounds complicated; the researchers used a clever setup to "prime" (nudge) the participants' brains. Here is how they did it:

1. The Participants: The study involved university students who were split into different groups.

2. The "Nudge" (Priming):

  • The Determinism Group: These participants read a passage by Francis Crick (a famous scientist) which argued that our behavior is just a result of our genes and brain chemistry, not free will.
  • The Control Group: These participants read a neutral passage that did not mention free will or determinism at all.

3. The Task: Participants were asked to complete 20 difficult logic and math problems on a computer. They were told that for every correct answer, they would receive \$1 (approximately \(£0.80\)).

4. The "Glitch" (The Opportunity to Cheat): This is the sneaky part! The researchers told the participants there was a "glitch" in the computer program. If the participants didn't press the "space bar" as soon as the question appeared, the correct answer would pop up on the screen. The participants were asked to be honest and press the space bar to hide the answer so they could solve it themselves.

5. Measuring Cheating: The researchers measured how many times the participants "forgot" to press the space bar and looked at the answer instead. This was their measure of cheating.

Findings: Results and Conclusions

The Results:

  • The participants in the Determinism Group (those who read that free will is an illusion) cheated significantly more than the participants in the neutral control group.
  • They were much more likely to let the answers stay on the screen so they could get the money without doing the hard work.

The Conclusions:

  • Vohs and Schooler concluded that believing in free will serves a "pro-social" function. It makes people feel responsible for their actions.
  • If people believe in determinism, they might feel less accountable for what they do. They think, "If I don't have a choice anyway, why bother being honest?"

Key Takeaway: Our self-concept and our beliefs about how much control we have (free will) directly impact our moral behavior and the choices we make.

Evaluating the Study

To do well in your exam, you need to be able to look at the strengths and weaknesses of this research. Use these points to help you evaluate.

Strengths

  • Objectivity: The study was a laboratory experiment with a clear, measurable Dependent Variable (how many times they cheated). This makes the results more objective and less about the researchers' opinions.
  • Standardised Procedure: Because everyone read the same passages and did the same math task, the study is easy to repeat to see if the same results happen again. This means the study has good reliability.
  • Practical Application: The findings are very useful for society. They suggest that encouraging people to take responsibility for their actions (belief in free will) could reduce crime or cheating in schools.

Weaknesses

  • Low Ecological Validity: The task (pressing a space bar during a math test) is quite artificial. It doesn't necessarily represent how people behave in the real world when faced with much bigger moral dilemmas.
  • Sample Bias: The participants were university students. This is a very specific group of people, so we might not be able to generalise these findings to older people or people from different cultures (low generalisability).
  • Ethical Issues (Deception): The researchers lied to the participants about the "glitch" in the computer program. While this was necessary to see if they would cheat, deception is always an ethical concern in psychology.

Quick Review: Check Your Understanding

Q: What was the main difference between the two groups in the study?
A: One group was nudged to believe in determinism (no free will), while the other was a neutral control group.

Q: Why did the determinism group cheat more?
A: Because they felt less personal responsibility for their actions after reading that free will doesn't exist.

Common Mistake to Avoid: Don't confuse Free Will with Determinism!

  • Free Will = You are the boss of your choices.
  • Determinism = Your choices are already decided by things like your brain or your past.

Cross-Reference Note

This study links closely to Baumeister (2008), who also looked at the consequences of believing in free will. You can find more about the general concepts of the self, such as self-esteem and identity, in the chapter "Self, self-concept, identity and free will (Lewis; Rogers; Erikson; Baumeister)".