A Researcher Wants to Examine the Effect of Fertilizer and the Effect

question 26

Multiple Choice

A researcher wants to examine the effect of fertilizer and the effect of sunlight on the yield of tomatoes.She bought 60 tomato plants at a local garden store.She randomly assigned 30 tomato plants to be planted on the sunny side of the hill and 30 to be planted on the shady side.Within each group of 30 plants,she randomly assigned plants to one of three groups.The first group is grown with no fertilizer,the second group with a small amount of fertilizer,and the third group with a large amount of fertilizer.All tomato plants are planted at the same time and each plant is grown to maturity.The total weight of tomatoes obtained from each plant is recorded.The person evaluating the results does not know which tomatoes received fertilizer or which were grown on the sunny side.

• A)Single blind
• B)Double blind
• C)Neither

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Definitions:

Social Identities

Individuals' conception and perception of themselves derived from their membership in social groups, including nationality, ethnicity, gender, and occupation, among others.

Group Membership

The act of belonging to a group or organization with shared interests, goals, or characteristics.

Social Identity

A person's sense of who they are based on their group memberships, such as national, religious, or occupational social groups.

Social Group

A collection of individuals who interact with each other based on shared interests, backgrounds, or purposes forming a cohesive unit.