Chapter 13: Quasi-Experimental and Single-Case Designs Flashcards

1
Q

How does a quasi experiment differ from a true experiment?

A

There is no true control group, the IV is measured not manipulated, participants are not randomly assigned to treatment conditions

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2
Q

Quasi-experimental research is best characterized as what type of research?

A

Predictive research; it can establish differences/similarities/relationship, but can’t establish causal relationship

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3
Q

How does the internal validity of quasi-experimental research compare to experimental research?

A

Less internal validity

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4
Q

What are two distinctions made in the design of a quasi-experiment?

A

(1) the number of groups of participants (2) how often performance is assessed

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5
Q

What are the types of quasi-experimental designs?

A

(1) single-group posttest only (2) single-group pretest/postest (3) single-group time series (4) nonequivalent control group posttest only (5) nonequivalent control group pretest/posttest (6) nonequivalent control group time-series

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6
Q

Is data analyzed the same in a quasi experiment in comparison to a true experiment?

A

The data are analyzed the same, but any conclusion that is reached is more tentative for a quasi-experiment

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7
Q

What is the particular type of quasi experiment in which the IV is measured not manipulated?

A

Developmental designs

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8
Q

What are the three types of developmental designs? (CLS)

A

Cross-sectional, Longitudinal, and Sequential

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9
Q

What is a cross-sectional developmental design?

A

Between subjects design that has participants from different age groups perform experiment at one particular time. Confounding of age and cohort.

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10
Q

What is a longitudinal developmental design?

A

Within subjects design that has participants of the same age perform experiment over period of time.

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11
Q

What is a sequential developmental design?

A

A mixed design/hybrid design of cross-sectional and longitudinal

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12
Q

What is a single-case research design?

A

Are like within-subjects design in which just one person or a small group of people are measured on multiple occasions

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13
Q

What are the two general types of single-case or small-n designs?

A

Reversal designs and Multiple-baseline designs

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14
Q

What are the types of reversal designs (for single case/small-n)?

A

(1) AB reversal design (AA design as a control) baseline — treatment (2) ABA reversal design (AAA design as a control) baseline — treatment — baseline (3) ABAB reversal design (AAAA design as a control) baseline — treatment — baseline — treatment

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15
Q

What are the types of multiple-baseline designs?

A

(1) multiple baselines across subjects (2) multiple baselines across behaviors (3) multiple baselines across situations

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