Quiz 4 Flashcards
What is the critical feature of a descriptive study?
observation without manipulation
What type of info is provided by descriptive studies? (advantages)
Behavior in natural context, identify relations to be later experimentally verified
What type of info is not provided by descriptive studies? (disadvantage)
causation (low internal validity)
In Thompson & Iwata, the most common form of problem behavior was _____. The most common consequence to follow problem behavior was _____.
aggression and attention
Describe the measurement system Thompson and Iwata used to conduct their study
partial interval
Archival studies and limitations
method that examines existing records to obtain data and test hypothesis
- accuracy of records
- bias of observers/data collectors
- correlational nature of data
What are the two types of questions used in survey research?
Open-ended- more complete info; hard to summarize, more effort for respondent
Close-ended- easy to summarize, low effort for respondent; less complete info, may be to o simplistic
What are the 4 methods of sampling?
Haphazard, Purposive, Convenience, Probability
Haphazard
little to no control over who is selected
Purposive
a nonrandom sample that is chosen for some characteristic that it possesses
Convenience
a nonrandom sample chosen for practical reasons
Probability
relies on random sampling
