VARYING THE AMOUNT OR TYPE OF A FACTOR
Common approaches
○
● Altering physical or social environment
● Varying intervention provided to people
● Varying task participants perform
● Varying strategy that people are instructed to use
when performing a task
● Manipulating organism’s characteristics
● DETERMINING THE NUMBER OF CONDITIONS
Single-factor design has only one IV
●
IV must have two conditions (two levels of IV)
●
Single-factor, multilevel design has only one IV
●
IV must have more than two levels of IV
●
Asch’s classic experiments on conformity
●
Conformity rose as group size increased from about 1
●
to 4 other members, but after that, further increases in
group size had little effect on conformity.
Common approaches
○
● Altering physical or social environment
● Varying intervention provided to people
● Varying task participants perform
● Varying strategy that people are instructed to use
when performing a task
● Manipulating organism’s characteristics
● DETERMINING THE NUMBER OF CONDITIONS
Single-factor design has only one IV
●
IV must have two conditions (two levels of IV)
●
Single-factor, multilevel design has only one IV
●
IV must have more than two levels of IV
●
Asch’s classic experiments on conformity
●
Conformity rose as group size increased from about 1
●
to 4 other members, but after that, further increases in
group size had little effect on conformity.
