Statistics and Qualitative Research

These flashcards cover vocabulary related to statistics and qualitative research methods, including definitions of key terms and concepts.

What is the range in the anxiety scale scores from 62 to 98?

36

Which statement about standard deviations (SDs) is true?

The SD represents the average amount of deviation of scores from the mean.

What is an index of variability that takes into account all score values?

Standard deviation

Which measure of central tendency is the most stable?

Mean

Given the five score values: 5, 6, 9, 10, 10, which measure of central tendency has a value of 9?

The median

What index of central tendency is likely best for the age of onset of Alzheimer's disease in a sample?

The median

What is the most frequently occurring score in a distribution called?

Mode

What do you call a distribution with two peaks, as seen with resilience scores from cancer patients?

Bimodal

What is the technical name for a bell-shaped distribution?

Normal

What distribution is typically observed for adult height?

Normally distributed

What is ordinal measurement?

A level in which an attribute is rank ordered on a scale.

What is the level of measurement for marital status?

Nominal

What is the level of measurement for educational attainment?

Ordinal

What is the level of measurement for a 30-item caregiver burden scale?

Interval

What does a correlation of -0.80 indicate?

Strong negative correlation

What is the highest score minus the lowest score known as?

Range

What is the mean of the following numbers: 3, 3, 4, 4, 5, 6, 7, 8, 9?

5.4

What is a frequency distribution?

A systematic arrangement of values from lowest to highest, with counts or percentages.