1- IV: list of words- levels (conditions, groups): names of objects, abstract nouns
Operationalization of DV: A test was administered to participants that assessed memory. The test was administered after participants were exposed to either of the lists of words. Scores were compared.
2- IV: Presence or absence of drug- levels: received drug, no-drug
DV: rate of learning
Operationalization of DV: The drug group and no-drug group ran the maze while observers recorded how many times they had to run before learning. Different judges recorded and compared their scores (interrater reliability).
3- IV: Type of room where eating- levels: hot room, cool room
DV: food consumption
Operationalization of DV: Researchers recorded the amount of food in each room before participants began to eat and after they finished eating.
4- IV: Presence or absence of soft music- levels: soft music room, no-music room
DV: plant growth
Operationalization of DV: Compare the growth of the plants that were grown in each room. Baseline measures of plants were taken, and then at the end of the study another measure was taken.
5- IV: type of feedback- levels: told score was good, told score was average
DV: self esteem
Operationalization of DV: After receiving feedback participants are given a questionnaire. The questionnaire is used to assess self-esteem.
1-c 2-b 3-a 4-a 5-b 6-c 7-b 8-c 9-b 10-d
A- 6.67 B- 2.5 C- 2 D- 2 E- 1 F-2