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Research Design and Experimental Studies Quiz

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Questions and Answers

What is the criterion for classifying research as exploratory, descriptive, or explanatory?

The geographical location of the research study

The number of research questions addressed

The amount of existing knowledge about the variable(s) (correct)

The size of the research sample

What do comparative studies involve?

Comparing past and present research findings

Comparing qualitative and quantitative data

Comparing different research methods

Comparing two or more groups on a particular variable of interest (correct)

What is a potential threat to internal validity in experimental designs?

Participant demographics

External environmental factors

$p$-value manipulation

Experimenter effect (correct)

What is the key feature of true experimental designs?

Random assignment Signup and view all the answers

What distinguishes quasi-experimental designs from true experimental designs?

Absence of random assignment Signup and view all the answers

What is the key feature of true experimental designs?

Random assignment Signup and view all the answers

What distinguishes quasi-experimental designs from true experimental designs?

Lack of random assignment Signup and view all the answers

What do comparative studies involve?

Comparing two or more groups or conditions Signup and view all the answers

What is a potential threat to internal validity in experimental designs?

Experimenter effect Signup and view all the answers

What is the criterion for classifying research as exploratory, descriptive, or explanatory?

$\text{Amount of existing knowledge about the variable(s)}$ Signup and view all the answers

Study Notes

Research Classification

Research can be classified as exploratory, descriptive, or explanatory based on its purpose and scope.
Exploratory research aims to explore a new topic or issue, descriptive research aims to describe a phenomenon, and explanatory research aims to explain the underlying causes of a phenomenon.

Comparative Studies

Comparative studies involve comparing two or more groups, such as treatment and control groups, to identify differences or similarities.

Experimental Designs

A potential threat to internal validity in experimental designs is the presence of confounding variables, which can affect the outcome of the study.
The key feature of true experimental designs is the random assignment of participants to treatment and control groups.
Quasi-experimental designs differ from true experimental designs in that they lack random assignment of participants to groups.

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Description

Test your knowledge of research design and experimental studies with this quiz. Questions cover criteria for different types of studies, internal and external validity, threats to validity, and different experimental designs.