Validity
When measuring generosity, Cecilia compared the scores of her generosity scales to the donations given to a local charity. She found that those who scored higher on the generosity scale had donated to charity more often. This shows:
Content validity
Casey evaluates humor in individuals by how many jokes they say. He scores each person and adds up the total. Casey's advisor tells him that he needs to have another person also score the same individuals and that he should then compare the scores given. This is checking for:
Interrater Reliability
Eating breakfast in the morning increases the ability to learn in school. Which is the independent variable?
Whether they ate breakfast before school or not.
The outcome variable or the predicted variable
Dependent Variable
If a test has representative samples of language skills it claims to measure, proper samples of relevant structures, and the content matches the instructional objectives, then it has good ______ validity.
Construct Validity
Dave is worried if the IQ test, he is using is a sound measurement of intelligence. To check this, he has the same participants take the IQ test two times, a month apart, to check for consistency.
Test- Retest Reliability
If I expose my plants to sunlight, then my plants will grow. Which is the dependent variable?
Amount of plant grow.
The treatment variable that is manipulated or the predictor variable
Independent Variable
A conspicuous example is the degree to which college admissions test scores predict college grade point average (GPA).
Predictive Validity
_______________ is a measure of consistency used to evaluate the extent to which different judges agree in their assessment decisions.
Interrater Reliability
Drinking energy makes people more aggressive. Which is the independent variable?
Amount of drink energy drank.
How well a test measures what it says it does.
Validity
Luis is checking that the Big Five Inventory (a personality measure) contains all parts of measuring personality: extraversion, agreeableness, openness, conscientiousness, and neuroticism. What type of validity it is?
Construct Validity
A researcher is trying to develop a new measurement of extraversion. They create two versions of their self-report measure and give both to the same group of participants. Afterward, they compare the scores on both forms to each other.
Parallel Forms Reliability
You design a study to test whether changes in room temperature have an effect on math test scores. What is the dependent variable?
Math test scores
The consistency of a test.
Reliability