Chapter 11 Flashcards
(27 cards)
A group of people born at about the same time and exposed to the same societal events
Cohort
In a single case design, the subjects behavior during a control period before introduction of the experimental manipulation
Baseline
An extension of the interrupted time series quasi–experimental design in which there is a comparison or control group
Control series design
A developmental research method in which persons of different ages are studied at only one point in time
Cross sectional method
Once a program is shown to have its intended effect researchers must determine whether it is worth the resources it consumes
Efficiency assessment
As a threat to the internal validity of an experiment, refers to any outside event that is not part of the manipulation that could be responsible for the results
History effect
The possibility that a change in the characteristics of the measurement instrument including human observers is responsible for the results
Instrument decay
A design in which the effectiveness of the treatment is determined by examining a series of measurements made over an extended time. Both before and after the treatment is introduced
Interrupted time series design
A developmental research method in which the same person’s are observed repeatedly as they grow older
Longitudinal method
The possibility that any naturally occurring change with in the individual is responsible for the results
Maturation effect
Observing behavior before and after a manipulation under multiple circumstances across different individuals different behaviors or different settings
Multiple baseline design
Studies that ask whether there are in fact problems that need to be addressed in a target population
Needs assessment
A quasi-experimental design in which non-equivalent groups of subjects participate in the different experimental groups and there is no pretest
Non-equivalent control group design
A quasi-experimental experimental design in which non-equivalent groups are used but a pretest allows assessment of equivalency and pretest post test changes
Non-equivalent control group pretest posttest design
Quasi experimental design that has no control group and no pretest comparison
One group post test only design
A quasi – experimental design in which the effect of an independent variable is inferred from the pretest posttest difference in a single group
One group pretest posttest design
assesses if the intended outcomes of the program have been realized
Outcome assessment
Researchers monitor a program to determine if it is reaching the target population whether it is attracting enough clients and whether the staff is providing the planned services
Process evaluation
Research designed to assess procedures that are designed to produce certain changes or outcomes in a target population
Program evaluation
Involves a collaboration of researchers, service providers, and prospective clients of the program to determine that the proposed program does in fact address the needs of the target population in appropriate ways
Program theory assessment
A method of pairing individuals for assignment to a treatment and control condition based upon a combination of scores on participant variables
Propensity score matching
A type of design that approximates the control features of true experiments to infer that a given treatment did have its intended effect
quasi-experimental design
principle that extreme scores on a variable tend to be closer to the mean when a second measurement is made
Regression towards the mean
A single case design in which the treatment is introduced after a baseline. And then withdrawn during a second baseline.
Reversal design
