NNJR- Variables, Control & Hypothesis

What is a variable that is manipulated or changed by the researcher called?

• Independent variable
• Dependent variable
• Control variable
• Extraneous variable

What is a testable prediction about the relationship between variables called?

• Hypothesis
• Experiment
• Dependent variable
• Control group

In an experiment, which variable is the outcome that is measured by the researcher?

• Independent variable
• Dependent variable
• Control variable
• Extraneous variable

What is a potential variable that could affect the results but is not the focus of the study called?

• Independent variable
• Dependent variable
• Control variable
• Extraneous variable

What is the term for the phenomenon where participants' responses are influenced by the order in which they experience experimental conditions?

• Order effect

• Counterbalancing

• Single blind

• Double blind

Which technique involves systematically varying the order in which experimental conditions are presented to participants to counteract order effects?

• Order effect

• Counterbalancing

• Single blind

• Double blind

What type of study design involves participants being unaware of which condition they are assigned to, while the researcher knows.

• Order effect

• Counterbalancing

• Single blind

• Double blind

In which type of study design are both the participants and the researcher unaware of which condition participants are assigned to?

• Order effect

• Counterbalancing

• Single blind

• Double blind

1. What type of hypothesis predicts the absence of a relationship or difference between variables?

• a) Null hypothesis

• b) Directional hypothesis

• c) Non-directional hypothesis

• d) Alternative hypothesis

Which hypothesis specifies the direction of the expected relationship or difference between variables?

• a) Null hypothesis

• b) Directional hypothesis

• c) Non-directional hypothesis

• d) Alternative hypothesis