Identify the research variables (for items 1 & 2) and the central phenomenon used in the following scenarios. 1. An experiment is performed on plants to see how different liquids affect plant gro

Identify the research variables (for items 1 & 2) and the central phenomenon used in

the following scenarios. 

1. An experiment is performed on plants to see how different liquids affect plant

growth. Each plant in the experiment is given a different liquid; water, apple juice,

or milk. Each plant has the same amount of soil, same amount of sunlight, and the

same amount of liquid.

Independent Variable:

Dependent Variable:

Sample Variable:

Confounding/Extraneous Variable:

2. A survey is conducted to see how race relates to academic success. Four race were

identified in the study: Caucasian, African, Asian, Latin. The gender, socioeconomic

status, and the background experience, (relevant to discrimination) were also considered

as influencing factors in the study.

Independent Variable:

Dependent Variable:

Sample Variable:

Confounding/Extraneous Variable:

3. A researcher decided to conduct a grounded theory study related to the process

of cultural transmission of several ethnic groups in Region 12. Knowing that this

needs closer inspection, he also decided to stay in the vicinity of these ethnic

groups for at least three months to see first-hand how (if there is still) cultural

transmission happens in this ethnic groups.

What is the Central Phenomenon? :