RESEARCH METHODOLOGY

METHODS OF RESEARCH

EXPERIMENTAL RESEARCH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When the population should have equal chance to be included in the sample, there is ____
A
Variable manipulation
B
Random assignment
C
Groupings
D
Nonprobability sampling
Explanation: 

Detailed explanation-1: -It is considered a fair way to select a sample from a larger population since every member of the population has an equal chance of getting selected. Therefore, simple random sampling is known for its randomness and less chance of sampling bias.

Detailed explanation-2: -Simple random sampling is a type of probability sampling in which the researcher randomly selects a subset of participants from a population. Each member of the population has an equal chance of being selected. Data is then collected from as large a percentage as possible of this random subset.

Detailed explanation-3: -Sometimes random assignment is impossible because the experimenters cannot control the treatment or independent variable. For example, if you want to determine how individuals with and without depression perform on a test, you cannot randomly assign subjects to these groups.

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