Research Methods – Psychology 2025 – 400 Free Practice Questions to Pass the Exam

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What does a significance level of 0.01 indicate about research findings?

1% chance findings are due to chance

A significance level of 0.01 indicates that there is a 1% chance that the research findings could be the result of random chance rather than a true effect. In hypothesis testing, this level is used to assess the strength of the evidence against the null hypothesis. When researchers set a significance level at 0.01, they are declaring that they are willing to accept a 1% risk of concluding that there is an effect when there is none (a Type I error).

This means that if the null hypothesis were true, there is only a 1 in 100 probability that the observed data would occur purely due to random variability. A lower significance level (like 0.01) implies that researchers are seeking stronger evidence before rejecting the null hypothesis, thereby increasing the confidence in their findings. The significance level serves as a threshold for determining whether the results are statistically significant, leading to more reliable and robust conclusions in psychological research.

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5% chance findings are due to chance

10% chance findings are due to chance

Less than 50% chance findings are due to chance

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