POP QUIZ TOPIC 3 PART 3 DDT3B

In experimental design, there are _____ key factors that considered to ensure the experiment is valid, reliable, and produces meaningful results.

• 3

• 4

• 5

• 6

Variable that changes; that is manipulated

• Independent Variable (IV)

• Dependent Variable (DV)

Variable that doesn’t change; that is measured

• Independent Variable (IV)

• Dependent Variable (DV)

There are _____ types of hypotheses in experimental design.

• 1

• 2

• 3

• 4

H0 is _____ hypothesis.

• Null

• Zero

• Infinity

• Alternative

H1 is _____ hypothesis.

• Null

• Zero

• Infinity

• Alternative

There are _____ types of experimental designs.

• 1

• 2

• 3

• 4

A researcher wants to test the effect of two different teaching methods (Method A and Method B) on students' math performance.

• Group 1: Students in this group are taught using Method A.

• Group 2: Students in this group are taught using Method B.

This is a _____ experimental design.

• between-subjects

• within-subjects

Variables like socioeconomic status, education level, or cultural background that can influence outcomes and should be considered in experimental design are called _____.

• demographic factors

• sample size

• randomization participant

• selection of participants

“If your hypothesis is that UV rays cause an increase in melanin” you will design the experiment to test this relationship.

This statement is for _____.

• Direction of Research

• Guides Experiment

• Direction of Research

•   Types of Hypotheses