Quiz #1 Flashcards
Sadie wants to study infant language development. She decides to watch 10 babies once a month from birth to two years of age and write down the sounds they make and the words they use. Sadie is using…
Systemic observation
Researcher’s observe the child in the child’s natural development
naturalistic observations
Naturalistic Observation
Naturalistic observation is a research method that involves observing subjects in their natural environment
The factors subject to change that a researcher records in an observation are referred to as
Variables
Cross sectional
Cross sectional research is a study in which subjects of different ages are compared at the same time
Self report
A quality of life measure such as a questionnaire that a child completes independently
Response bias
The tendency to select socially acceptable answers
Validity
Refers to whether a measure really measures what is intended to measure
In correlation study…
It is possible to determine whether two variables are related, but not whether there is a casual relationship between variables
Idependent variable
In an experimental study, the independent variable is manipulated to observe its effects on another variable, is not affected by any other variables that the study measures
A researcher is interested in how the scores that children receive on a spelling test are affected by the amount of food that they eat for lunch. The independent variable is
The amount of food eaten for lunch
Dependent variable
The variable in an experiment that is observed to see if it changes when another variable is manipulated
Henry is interested in finding out whether exercise affects boys and girls performance on a memory task. The dependent variable in this situation is
Memory performance
Mahinder studies developmental changes in intelligence by testing one group of subjects when they are 4, 8, 12, and 16 years of age. What kind of design is Mahinder using?
Longitudinal