Research Methods: Experimental and Mixed Methods Designs Quiz

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What is the purpose of a control group in a true experimental design?

To receive the treatment being tested

To have no impact on the study results

To compare the effects of the treatment against those without it (correct)

To eliminate the need for randomization

In a true experimental design, what does 'R' represent when described in context?

Research methodology

Replication

Randomization (correct)

Regression analysis

What is the main difference between a pretest-posttest design and a posttest only design?

The presence of a control group

The order in which the test is administered

The number of measurements taken

The inclusion of a treatment phase (correct)

What is the purpose of including a pretest in a true experimental design?

To establish a baseline for comparison Signup and view all the answers

Why is it important to have an experimental and a control group in a true experimental design?

To reduce the impact of confounding variables Signup and view all the answers

What is a key advantage of using a true experimental design over other research designs?

It allows for establishing cause-and-effect relationships Signup and view all the answers

What is the purpose of using a pretest in an experimental design?

To establish a baseline before the treatment is administered Signup and view all the answers

In a Solomon Four-Group Design, what distinguishes the two treatment groups?

The pretest results of one group Signup and view all the answers

What type of clinical trial involves the use of a placebo in the control group?

Phase III clinical trials Signup and view all the answers

Why might a pretest not be necessary if test subjects are randomly selected initially?

Because random selection ensures equivalence at the baseline Signup and view all the answers

Why do nations around the world conduct clinical trials for vaccines?

To generate evidence leading to changes in public policy Signup and view all the answers

What characteristic defines a Posttest Only Design in research?

It only includes a post-test and no pre-test Signup and view all the answers

What is the primary characteristic of an exploratory sequential design?

Initial qualitative data collection Signup and view all the answers

In a sequential mixed methods design, what was the focus of the study mentioned in the text?

Teachers' technology practices and beliefs Signup and view all the answers

What is the conclusion drawn from the example study mentioned in the text?

Technology integration should be focused on student-centered pedagogy Signup and view all the answers

What is the main task for students as part of their assignment based on the text?

Working on the RRL Matrix Signup and view all the answers

What is one of the components that students need to identify in their assignment according to the text?

Sub-theme Signup and view all the answers

What should future technology professional development efforts focus on according to the text?

Integrating technology into curriculum via student-centered pedagogy Signup and view all the answers