Practical Research 2 quiz niccsss

Which formula is used to calculate the required sample size in quantitative research?

What does "heuristic" refer to in sampling?

Which type of research design aims to establish an association between variables?

A researcher observes a phenomenon but does not manipulate variables. This is an example of:

A subset of the population used to represent the entire group is called:

A histogram is an example of:

Which validity type is achieved when the results of an instrument correlate with an existing validated test?

What technique is most appropriate for comparing means between two groups?

In research, the control group is:

Data visualizations like bar graphs and histograms fall under:

In analyzing data, which process comes first?

What is the main disadvantage of non-probability sampling?

What is the first step in describing a research intervention process?

What type of analysis examines patterns across three or more variables?

What term describes the consistency of an instrument in measuring what it intends to measure?

What distinguishes experimental research from quasi-experimental research?

A hypothesis that assumes no relationship between variables is called:

The probability of rejecting a false null hypothesis is known as:

If \( N = 1,000 \) and \( e = 0.05 \), what is the sample size using Solving's formula?

What type of sampling ensures all members of a population have an equal chance of selection?

A study investigates the effects of a new teaching method on test scores. The dependent variable is:

A study selects every 10th participant from a list of 1,000 individuals. This is an example of:

If a researcher judges an instrument based on its appearance, it is an example of:

Which of the following involves dependent and independent variables?

A scale that asks respondents to rank their agreement with statements is an example of:

Which research instrument is ideal for gathering data on respondents' opinions?

What is the term for manipulating the independent variable in an experiment?

Regression analysis is used to:

The basis for choosing intervention procedures should be:

Cluster sampling is most useful when:

What type of validity assesses whether an instrument meets the objectives of the study?

Quantitative research primarily involves which of the following?

In an experiment, what differentiates the treatment group from the control group?

A researcher studies the relationship between two variables without controlling them. This is an example of:

A study measures the effects of an intervention. This process is best described as:

Which type of quantitative research attempts to measure cause-and-effect relationships but lacks random assignment?

In a study with a target population of 500, why might a researcher use a sample instead of the entire population?

Which type of research can establish a cause-and-effect relationship with high confidence?

Which of the following would best analyze relationships among three or more variables?

What type of reliability examines the relationship between responses to similar items within a single test?

Data collection is most accurate when:

What is the primary focus of quantitative research?

What is the primary purpose of descriptive statistics?

Which data collection technique is best suited for studying behavioral patterns in a classroom?

Which research instrument is best suited for gathering numerical data about student performance?

What analysis is most suitable for measuring relationships between variables?

Which sampling method divides the population into groups and randomly selects participants within each group?

A study seeks to find out whether increased screen time is linked to lower academic performance. This is an example of:

A researcher uses two versions of a test to check for consistency. This is an example of:

Which statistical method tests the relationship between two variables?