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Experimental Designs in Research MCQ

"a well-designed method ________.

Performs multiple unrelated tasks

Repeats code found in other methods

Contains thousands of lines of code

Both methods and classes,

Answer

Correct Answer: Performs multiple unrelated tasks

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Experimental research is best suited for gathering ________ information.

Exploratory

Causal

Independent

Secondary

Descriptive

Answer

Correct Answer: Causal

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An experiment ________.

Is an activity designed to test the validity of a hypothesis

Is designed to generate new scientific hypothesis

Involves only collection of quantitative data

Often involves manipulating as many variables as possible

Does not need to be repeated if well designed

Answer

Correct Answer: Is an activity designed to test the validity of a hypothesis

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A one-shot case study is a research design where there is only one group, one intervention, and both a pretest and a posttest.

True

False

Answer

Correct Answer: False

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The independent variable explains or causes the change in the dependent variable.

True

False

Answer

Correct Answer: True

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______ validity refers to a researcher’s ability to conclude that the change in the dependent variable is definitely attributed to the manipulation of the independent variable.

External

Internal

Preplanned

Established

Answer

Correct Answer: Internal

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Which of the following is a score used to indicate if someone’s score puts them in a certain category?

Cutoff score

Final score

Finalized score

Cutback score

Answer

Correct Answer: Cutoff score

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If a sample size is greater than 30, which of the following tests is preferable?

L-test

Q-test

T-test

Z-test

Answer

Correct Answer: Z-test

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In a pre-experimental design, which variable is the researcher manipulating?

Introductory

Dependent

Determining

Independent

Answer

Correct Answer: Independent

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When a researcher collects data prior to the intervention, what are they conducting?

Primary test

Posttest

Pretest

Personal test

Answer

Correct Answer: Pretest

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______ variables are ones in which the researcher did not include in the study that have an effect on the relationship between the independent and dependent variable.

Extraneous

Extemporaneous

Effect

Experimental

Answer

Correct Answer: Extraneous

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______ is the relationship between cause and effect.

Causality

Causation

Causticity

Conceptuality

Answer

Correct Answer: Causality

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The variable being explained or caused is the ______ variable.

Independent

Dependent

Determinant

Indeterminant

Answer

Correct Answer: Dependent

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