testing and assess

What is the term for a variable that is manipulated in an experiment?

Independent variable.

What type of variable refers to the outcome in an experiment?

Dependent variable.

What scale measures agreement levels such as 'strongly disagree' or 'strongly agree'?

Likert scale.

What type of scale is used to measure pain?

Category scale.

In the presence of outliers, which measure of central tendency should be used?

Median.

What term refers to the most frequently occurring value in a data set?

Mode.

What is the formula for calculating the range of a data set?

Highest value minus lowest value.

True or False: An odd number of Likert options provides a neutral option.

True.

What scale classifies objects by name, such as eye color?

Nominal scale.

What scale includes rankings, such as T-shirt sizes or levels of agreement?

Ordinal scale.

What is an example of interval scale data?

Midterm exam scores.

What term describes the consistency of test results over time?

Reliability.

What scale allows for equal distance between options but has no true zero?

Interval scale.

What is an example of a ratio scale?

Income (in dollars).

What type of question is the best alternative when a good multiple-choice question cannot be formed?

True/false question.

What are quantitative measures of human behavior called?

Psychological tests.

What is the primary goal of statistics?

To organize your data.

In psychological testing, consistency of results is referred to as what?

Reliability.

What is an example of ordinal scale data?

Medals earned at the Olympics (bronze, silver, gold).

True or False: Enhanced multiple-choice questions are easier than traditional questions.

False.

What kind of variable is also called a 'discrete variable'?

Complex variable that is not easily observed.

What is the average of a data set called?

Mean.

What type of scale ranks data in a specific order but does not measure the exact difference between values?

Ordinal scale.

What type of data includes temperature, where the difference between values is meaningful but there is no true zero point?

Interval scale.

What scale has both meaningful differences between values and a true zero point?

Ratio scale.

What is the process of finding the middle value in a sorted data set called?

Finding the median.

What type of data scale categorizes values without a specific rank or order, such as gender or color?

Nominal scale.

What is the term for the difference between the highest and lowest values in a data set?

Range.

What term describes a variable's sensitivity to extreme values in a data set?

Mean.