Types of Quantitative Research

Which of the following is NOT an essential characteristic of experimental designs?

• Randomization

• Control

• Manipulation

• Observation

What is the process called where participants are assigned to either receive the treatment (experimental group) or not receive the treatment (control group)?

• Stratification

• Randomization

• Blinding

• Matching

Which of the following is NOT a method of randomization mentioned in the learning material?

• Lottery method

• Tossing a coin

• Computer

• Drawing straws

Which method of randomization involves using a machine to generate random numbers?

• Lottery method

• Tossing a coin

• Computer

• Drawing straws

Which method of randomization involves selecting numbers from a container?

• Lottery method

• Tossing a coin

• Computer

• Drawing straws

Which method of randomization involves flipping an object to determine an outcome?

• Lottery method

• Tossing a coin

• Computer

• Drawing straws

What is the process of maneuvering the independent variable (IV) to observe its effect on the dependent variable (DV) called?

• Observation

• Measurement

• Manipulation

• Analysis

What does a researcher do in the method of manipulation?

• Gives intervention to both experimental and control groups

• Withholds intervention from both groups

• Gives intervention to the experimental group and withholds it from the control group

• Administers the same treatment to both groups

Which of the following is an example of the method of manipulation?

• Using the same teaching strategy for all students

• Using a particular teaching strategy for one group and not for another

• Not using any teaching strategy at all

• Using different teaching strategies for different subjects

What is the purpose of control in an experiment?

• To introduce bias

• To eliminate bias

• To increase variability

• To confuse subjects