Which of the Following Sampling Designs Controls for the Biased

question 54

Multiple Choice

Which of the following sampling designs controls for the biased selection of respondents?

• A) convenience sampling
• B) purposive sampling
• C) snowball sampling
• D) simple random sampling

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Definitions:

Quasi-experimental Design

An empirical study used to estimate the causal impact of an intervention on target population without random assignment. It is a rephrased definition highlighting its purpose for estimating causal relations.

True Experiments

Experimental designs in which the researcher manipulates the independent variable to observe its effect on a dependent variable, with random assignment to control and experimental groups.

Nutritional Benefits

Refers to the advantageous aspects of food substances that contribute to overall health and well-being, including support for body functions, energy, and disease prevention.

History Effect

As a threat to the internal validity of an experiment, refers to any outside event that is not part of the manipulation that could be responsible for the results.