Sign test

Probability refers to the likelihood that certain events will occur. This applied to understanding the findings from a study.

• true

• false

if the statistical test is significant then we accept the...

• alternative hypothesis

• null hypothesis

the psychologically accepted level of significance is ...

• 0.01

• 0.05

• 0.10

the value we find as a result of doing the sign test is called...

• calculated value

• critical value

the value we look for in the table to compare is called the...

• calculated value

• critical value

the sign test is looking for a ...

• difference (experiment)

• association (correlation)

The sign test can only be used with...

• repeated measures

• independent groups

• Matched pairs

The sign test can only be used with...

• nominal data (categories e.g. types of religion)

• interval data (equal intervals in between the data e.g. temperature)

• ordinal data (data that is ordered e.g. 1st 2nd 3rd in a race)

if we find a significant result at 0.05 probability level, how sure are we that our findings are not by chance?

• 99%

• 95%

• 90%

• 85%

if we find a significant result at 0.05 probability level, how much room are we leaving for error?

• 1%

• 5%

• 10%

• 15%