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Tell Me the Deisgn
O#X Formats
Threats
T Swift Hits
Jk.... Miscellaneous
Tell Me More Designs
100
X O1
What is one-group posttest-only design
100
Longitudinal design
What is Q1, Q2, Q3, etc...
100
Normal changes that occur over time, such as those associated with development, may be mistakenly attributed to the quasi-independent variable
What is maturation effect
100
In contrast to "true" experimental designs, quasi-experimental design always raises questions about this.
What is internal validity
100
I study the effect of pot smoking by putting measuring a bunch of people's heart rate before and after smoking weed.
What is one group pretest-posttest design
200
Quasi-experimental group X O Nonequivalent control group - O
What is nonequivalent groups posttest-only design
200
One-group pretest-posttest design
What is O1 X O2
200
when participants were selected because they had extreme scores, their scores may change in the direction of the mean between pretest and posttest even if the quasi-independent variable had no effect.
What is regression to the mean
200
In quasi-experimental design, the researcher lacks control over either one of both of these two things.
What are random assignment and independent variable
200
I am studying the effect of playing Jeopardy as an in-class exercise on midterm scores. I have two different classes and one played Jeopardy in class and the other didn't. I then compared their midterm.
What is nonequivalent groups posttest-only design
300
Quasi-experimental group O1 X O2 Nonequivalent control group O1 X O2
What is nonequivalent groups pretest-posttest design
300
Simple interrupted time series design
What is O1 O2 O3 X O4 O5 O6
300
Something other than the quasi-independent variable that occurred between the pretest and posttest caused the observed change
What is history effect
300
This frequent purpose of quasi-experimental designs is to assess the quality of certain interventions.
What is program evaluation
300
I am studying the effect of a new medication on depression. I follow a small group of patients and measure their symptoms multiple times before and after the medication. I then took them off the medication and see how the symptoms change.
What is interrupted time series design with a reversal
400
Quasi-experimental group: O1 O2 O3 X O4 O5 O6 Nonequivalent control group: O1 O2 O3 X O4 O5 O6
What is control group interrupted time series deisng
400
Interrupted time series with a reversal
What is O1 O2 O3 X O4 O5 O6 -X O7 O8 O9
400
People of different ages differ not only in age per se but also in the condition under which their generation grew up, so this threat is committed when researchers assume people of the same age across different generations are comparable.
What is generation (cohort) effect
400
True or False: Even though well-designed quasi-experiments can provide rather conclusive evidence with a certain level of confidence, under permissible circumstances (time, resources, etc), researchers should still always prefer "true" experiments whenever possible.
What is true
400
I am studying the effect of an anti-gun legislation on the annual rates of gun-related deaths. The specific legislation was voted through and repealed and re-instated with the changing political climate, but the mortality rates were assessed every year.
What is interrupted time series design with multiple replcaitions
500
Age cohort 1 O1 O2 O3 O4 Age cohort 2 O1 O2 O3 O4 Age cohort 3 O1 O2 O3 O4
What is cross-sequential cohort designs
500
Interrupted time series with multiple replications
What is O1 O2 O3 X O4 O5 O6 -X O7 O8 O9 X O10 O11 O12 -X O13 O14 O15
500
An extraneous event occurs in one group but not in the other(s); this event, not the quasi-independent variable, caused the difference between the groups
What is local history effect or selection by history interaction
500
To enhance confidence in quasi-experimental designs, researchers adopt this strategy to consider many ways of obtaining evidence relevant to a particular hypotheses and then employ several different approaches.
What is critical multiplism
500
I am studying the effect of digital revolution on the prevalence rates of ADHD across the 90's to 2015. My IV is the increasingly digitalized nature of society and my DV is the rates of ADHD.
What is comparative time series design