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Weather, location, time of day, noise level, time pressure, lighting, temperature of room, etc. are examples of ____________

• Participant factors

• Intervention factors

• Situational factors

____________ consists of participants who do not receive any experimental intervention.

• Experimental group

• Researchers

• Control group

__________ a statistical experimental design used to investigate the effects of two or more independent variables (factors) on a dependent variable.

• Matched pairs design

• Factorial design

• Parametric design

• Repeated measures design

Smith (1991, p. 215) suggests that _______ is most widely used in quasi-experimental and non-experimental research

• Matched pairs design

• Factorial design

• Parametric design

• Repeated measures design

The ability to investigate multiple factors at the same time is one of the advantages of : ___

• Matched pairs design

• Factorial design

• Parametric design

• Repeated measures design

A/AN ___________is a variable that you can control or manipulate, such as temperature, pressure, speed, or material [choose 2 correct answers]

• Dependent variable

• Independent variable

• Factor

Which design below allows us to identify the interaction effect that may occur if the subject deduces the desired result from looking at the pre-test and post-test?

• 
• 
• 
• 

"The order in which the interventions are sequenced may affect the outcome" is the disadvantage of which type of design below?

• Matched pairs design

• Factorial design

• Parametric design

• Repeated measures design

To overcome the order effect in repeated measures design, we should _______________ [2 correct options]

• Randomize the order of the interventions

• Omit the pre-test

• Test all interventions at the same time

• Assign participants randomly

In experimental research, pre-test treatment interaction is a threat to the Internal Validity.

• True

• False