PRDA1 Week 3 Quiz

Which of the following best describes the focus of quantitative research in psychology?

• To understand personal narratives

• To collect and evaluate numerical data

• To construct philosophical theories

• To examine historical contexts

Which of the following best describes an experimental design?

• A study where variables are manipulated to observe effects

• A study that involves only observational data

• A study that uses historical data for analysis

• A study that focuses on qualitative data

What distinguishes a quasi-experimental design from a true experimental design?

• The use of random assignment

• The lack of a control group

• The manipulation of independent variables

• The absence of random assignment

In an independent measures design, what is a key characteristic?

• The same participants are used in all conditions

• Different participants are used in each condition

• Participants are matched based on certain criteria

• Participants are randomly assigned to conditions

What is internal validity concerned with?

• The generalisability of the study findings

• The accuracy of the measurement tools

• The extent to which the study measures what it claims to measure

• The ethical considerations of the study

External validity refers to:

• The reliability of the study results

• The applicability of the study findings to other settings

• The precision of the measurement instruments

• The ethical standards of the research

What is the primary goal of a correlational study?

• To establish cause and effect relationships

• To determine the strength and direction of relationships between variables

• To manipulate variables to observe outcomes

• To explore qualitative data in depth

Match the variable to the correct level of data.

• Interval

• Age of a person in years

• Ratio

• Ranking of students in a class

• Nominal

• Temperature measured in degrees Celsius

• Ordinal

• Whether someone is employed (yes/no)