Module 14: Advanced Experimental Designs Flashcards

1
Q

Using design with more than two levels of an independent variable

A
  • Allows them to compare multiple treatments
  • Enables them to compare multiple treatments with no treatment (control group)
  • Allows researchers to compare a placebo group with control and experimental group
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2
Q

Factorial designs

A

experimental designs that involve one independent variable with more than two levels

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3
Q

Complete factorial design

A

in which all levels of each independent variable are paired with all levels of every other independent variable.

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4
Q

Incomplete factorial design

A

has more than one independent variable, but all levels of each variable are not paired with all levels of every other variable

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5
Q

Factorial notation

A

indicates how many independent variables are used in the study and how many levels are used for each of them

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6
Q

Main effect

A

is an effect of a single independent variable. In a study with two independent variables, there can be two main effects.

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7
Q

Interaction effect

A

is the effect of each independent variable across the levels of the other independent variable. When there is an interaction between two independent variables, the effect of one independent variable depends on the level of the other independent variable.

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