1. Which of the following is more likely to lead to a significant result (mark/highlight correct answer)?

a. Smaller sample sizes

b. Larger sample sizes

2. If the treatment effect is small (e.g. the difference in means is small between the treatment group and control group), then larger sample sizes will more likely lead to this difference being:

a. Statistically significant

b. Not statistically significant

c. Practically significant

3. By increasing the number of statistical tests you are:

a. Less likely to get at least one statistically significant result.

b. More likely to get at least one statistically significant result.

c. The number of significant tests you run wont affect the number of statistically

significant results.