Developemnt
When is a measure considered valid
When it measures what the researcher actually thinks it measures
correlation coefficient for two variables of r+ .2. what does this mean?
The two variables are positively related but weakly
What is the study in which people of different ages are observed at the same time called?
Cross-sectional study
A researcher is investigating response bias in preschoolers. She believes that, as children age, they show less bias in their responses to yes/no questions. She asks a variety of yes/no questions of 2-, 3-, and 4-year-old children to determine whether they are able to answer the questions in an unbiased manner. What is the independent variable in this study?
Age of the children
Family policy refers to...
Refers to law and regulations that directly or indirectly affect families with children
empirical is
Real world data - Observation, experimentation or experience
Evidence-based practice
Approach to work with people in health service using methods of intervention and assessment that have been demostrated through empirical research to be effective
Reliability
Information about the degree to which a measure vields consistent results over time
Correlational Study
The study of the relationship between variables that naturally coexist in the world
Practice Effect
Becoming "test-wise" and achieving better scores on a test than on previous occasions because of repeated exposure to the test
Cohort effect
the impact of a particular event, culture, or historical experience on a particular group of people
Field experiment
Experiment in which the independent variables is manipulated in a naturalistic setting
Dependent Variable
The variable in a study that is measured and that changes as a result of the action of the independent variable - (The thing thats getting measured)
Independent variable
The variable that is manipulated in a study
Systematic observation
A research technique that involves watching and carefully recording what people do or say