Sampling Quiz

What type of research design collects data at a single point in time?

• Longitudinal design

• Sequential design

• Cross-sectional design

• Experimental design

In longitudinal research design, what is a common challenge that can affect the study?

• Inconsistent data collection methods

• Lack of initial hypothesis

• Attrition or the loss of participants over time

• Immediate data analysis

Which research design is better at showing patterns of change and clarifying whether a cause occurred before an effect (outcome)?

• Cross-sectional design

• Experimental design

• Longitudinal design

• Comparative design

What is a population in the context of research?

• A large group of people living in a specific area

• A well-defined group of people that has specific characteristics from which data can be gathered and analyzed

• The total number of people living in a country

• A random selection of individuals for a study

Why do researchers sample from an accessible population?

• To make the research process more complicated

• To limit the study to a small group of individuals

• To generalize findings to a larger target population or population of interest

• To focus solely on the accessible population without generalizing

What are the two types of characteristics that define the population in a study?

• Inclusion criteria and Exclusion criteria

• Age and Gender

• Control group and Experimental group

• Qualitative and Quantitative

What is the goal in quantitative research regarding samples?

• To obtain a small, non-representative sample

• To obtain a large representative sample

• To obtain a sample with maximum variability

• To obtain a sample based solely on convenience

Which of the following is NOT a method to achieve a representative sample in quantitative research?

• Probability sampling

• Homogeneous populations

• Larger samples achieved through power analysis

• Non-random convenience sampling

What is the purpose of sampling in research?

• To decrease the accuracy of a research study.

• To increase the efficiency of a research study.

• To ensure that every element of the population is examined.

• To make the research study more expensive.

What does probability sampling involve in the context of research?

• Random selection of certain elements with each element having an unequal chance of being selected.

• Selection based on the researcher's personal preference.

• Random selection of certain elements with each element having an equal, independent chance of being selected.

• Selection of elements based on their availability only.