Data Types and Statistical Concepts Quiz

What is qualitative data?

• Expressed numerically rather than words.

• Written, non-numerical description of participants’ thoughts, feelings, etc.

• Collected firsthand for purpose of investigation.

• Statistical analysis of large number of studies.

What is quantitative data?

• Expressed numerically rather than words.

• Written, non-numerical description of participants’ thoughts, feelings, etc.

• Collected by someone other than researcher.

• Subtract the lowest from the highest (add 1).

What is primary data?

• Collected by someone other than researcher.

• Statistical analysis of large number of studies.

• Collected firsthand for purpose of investigation.

• Discrete categorical data. Frequency = height of bar.

What is secondary data?

• Collected firsthand for purpose of investigation.

• Collected by someone other than researcher.

• Add up, divide by the number.

• Subtract the lowest from the highest (add 1).

What does meta-analysis involve?

• Written, non-numerical description of participants’ thoughts.

• Statistical analysis of large number of studies.

• Subtract the lowest from the highest (add 1).

• Raw scores summarised in a grid.

What is the mean?

• The middle value.

• Most frequently occurring.

• Add up, divide by the number.

• Subtract the lowest from the highest (add 1).

What is the median?

• Add up, divide by the number.

• The middle value.

• Most frequently occurring.

• How much scores deviate from mean.

What is the mode?

• Add up, divide by the number.

• The middle value.

• Most frequently occurring.

• Subtract the lowest from the highest (add 1).

What is the range in measures of dispersion?

• How much scores deviate from mean.

• Subtract the lowest from the highest (add 1).

• Add up, divide by the number.

• The middle value.

What is standard deviation?

• Subtract the lowest from the highest (add 1).

• How much scores (on average) deviate from mean.

• Add up, divide by the number.

• The middle value.