PSY1SFP - WEEK 5 PART 2

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What is the primary concern when evaluating the internal validity of an experiment?

The maximization of hypothesized systematic variance

The control of potential confounding variables (correct)

The ability to generalize findings to other populations

The minimization of measurement errors

Which of the following is a characteristic of a well-designed experiment?

Maximizing non-systematic variance

Eliminating extraneous systematic variance (correct)

Using a pre-experimental design

Minimizing the sample size

What is the primary purpose of randomization in an experiment?

To increase the sample size

To balance extraneous variables between groups (correct)

To minimize measurement errors

To maximize the effect of the independent variable

What type of validity is concerned with the ability to generalize findings to other populations and contexts?

External validity Signup and view all the answers

What is the primary limitation of pre-experimental designs?

They lack control over extraneous variables Signup and view all the answers

What is the primary strength of a well-designed experiment in terms of establishing cause-and-effect relationships?

It can control for extraneous variables Signup and view all the answers

What is the primary concern in eliminating or minimizing other possible explanations of the effect in experimental research?

Holding constant or balancing the influences between groups Signup and view all the answers

What is the primary limitation of pre-experimental research designs in establishing cause-and-effect relationships?

Incapacity to control for extraneous variables Signup and view all the answers

In a true experiment, what is the purpose of randomizing participants to treatments?

To minimize the impact of extraneous variables on the outcome Signup and view all the answers

What is a key limitation of pre-experimental designs in establishing cause-and-effect relationships?

Lack of a control group Signup and view all the answers

In experimental research, what is the purpose of randomization?

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

In experimental research, what is the primary strength of using a control group?

It allows for the establishment of a clear cause-and-effect relationship Signup and view all the answers

Which type of reliability is concerned with the consistency of measurement results over time?

Test-retest reliability Signup and view all the answers

What is the primary purpose of standardizing the test situation in experimental research?

To minimize the impact of extraneous variables on the outcome Signup and view all the answers

What is the primary strength of experimental research designs in establishing cause-and-effect relationships?

Capacity to control for extraneous variables Signup and view all the answers

Which type of scale provides the most information about the data?

Ratio Signup and view all the answers

What is the primary goal of operationalizing the experiment in research methodology?

To define the group characteristics and manipulation Signup and view all the answers

What is the primary purpose of defining concepts in scientific research?

To facilitate communication among researchers Signup and view all the answers