Psych Research Methods

Which of the following is NOT a measure of central tendency

• The range

• Mean

• Median

• Mode

Which of the following is NOT a measure of dispersion?

• The range

• Standard deviation

• The mean

Reaction time score in seconds is an example of which level of measurement?

• Nominal

• Ordinal

• Interval

• The range

Continuous data such as scores on a class test, height measurements and IQ scores will be illustrated in which graph?

• A scattergraph

• A histogram

• A bar chart

• A frequency table

A research strategy that uses multiple examples of pre-existing research studies within the same area to present key trends on a topic is known as...

• Quantitative analysis

• Secondary data analysis

• Thematic analysis

• A meta-analysis

the symbol > refers to

• less than

• equals to

• greater than

• proportionate to

What does the standard deviation score tell a researcher?

• How each score varies from the mean score

• the central figure

• the average score

• the most frequent score

A low standard deviation score suggests that the results for the condition were...

• inconsistent

• consistent

• skewed

A participant's rating of happiness on a scale of 1-5 (1 being very unhappy and 5 being extremely happy) is an example of ...

• ratio data

• interval data

• ordinal data

• nominal data

Which measure of central tendency is MOST affected by extreme scores?

• Mean

• Median

• Mode

• Ratio data