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Quantitative Research in Psychology

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Questions and Answers

What is the primary focus of quantitative research in psychology?

To study a large number of people to identify patterns and trends (correct)
To understand the meaning of people's experiences
To explore people's thoughts and feelings through in-depth interviews
To develop theories that explain human behavior

What is the main difference between experimental and correlational research?

Experimental research involves manipulating variables, while correlational research involves observing natural phenomena (correct)
Experimental research is used to identify causes, while correlational research is used to identify effects
Experimental research involves observing natural phenomena, while correlational research involves manipulating variables
Experimental research is used to identify effects, while correlational research is used to identify causes

What is the purpose of stratified sampling in an experiment?

To ensure that the sample is randomly selected
To ensure that the sample has specific characteristics that are equally distributed (correct)
To ensure that the sample is representative of the target group
To ensure that the sample is large enough to be generalizable

What is a confounding variable in an experiment?

A third variable that contributes to the change of the dependent variable (C) Signup and view all the answers

Why is random sampling used in experimental research?

To minimize bias and ensure that the sample is representative of the population (D) Signup and view all the answers

What is the primary goal of descriptive research in quantitative psychology?

To observe and describe a single variable of interest (C) Signup and view all the answers

What type of sampling involves selecting individuals who are readily available?

Opportunity sampling (B) Signup and view all the answers

What is the primary concern of construct validity?

The quality of operationalizations (B) Signup and view all the answers

What type of threat to internal validity occurs when participants' opinions or minds change over the course of the experiment?

Maturation (B) Signup and view all the answers

What is the primary difference between a quasi-experiment and a true experiment?

Level of control over the independent variable (B) Signup and view all the answers

What type of bias occurs when the experimenter's expectations influence the outcome of the experiment?

Experimenter bias (B) Signup and view all the answers

What type of experiment involves manipulating an independent variable in a natural, real-world setting?

Field experiment (D) Signup and view all the answers

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