10. Test yourself

Factorial experimental designs involve one fixed and one random effect

Factorial experimental designs involve two or more fixed effects

False
True
True
False

False. Two or more fixed effects factors

True


Factorial experiments can be designed as completely randomised,  randomised block or even Latin square designs

Each factor in a factorial experiment should have two or more levels

True
False
True
False

True. Strictly they are arrangements of treatments rather than “designs”

True


A significant interaction implies that the magnitude of response to one factor depends on the level of another factor

Group size in a factorial design can be as low as two, or even lower with special assumptions

True
False
True
False

True.

True. We average across several groups


Factorial experiments provide an efficient way of finding out what factors influence an outcome of interest.

True
False
Home Top

True. They often require no more animals but provide more information