Test Your Progress 2 in Testing and Statistics

Which term best describes 'the extent to which a test measures what it claims to measure'?

What word in Psychology refers to the consistency of research findings?

Which best describes 'the extent to which the results of research can be generalised to the target population'?

• Internal validity

• External validity

• Order effects

• Reliability

What is objectivity?

• Based upon personal opinion or feelings

• Not open to interpretation and unbiased

• When a researcher interprets the outcome of a study according to their own view

• Ensuring ppts. are aware of their right to leave a study

Which type of data is most likely to be subjective?

• Quantitative

• Qualitative

When seeing if a test is reliable, taking it more than once is termed:

• Alternate form
• Split Half
• Equivalent Form
• Test-Retest

The distribution of IQ scores 

• is approximately normal or bell-shaped
• shows that most score between 80 and 100
• reveals a difference in the average for men and women
• falls off abruptly above 100

On an IQ test, how many test takers will fall within one standard deviation of the mean?

• 68%

• 84.1%

• 95%

• 99.7%

What is the branch of statistics that involves drawing conclusions about a population based on information contained in a sample taken from that population?

• descriptive statistics

• inferential statistics

• sports statistics

• health statistics

What is a smaller, representative group drawn from a population?

• unit

• sample

• parameter

• statistic