Psychology Research Methodologies

Write the following alternate hypothesis as a null hypothesis:

It was hypothesised that viewing violent movies will lead to more aggressive behaviours carried out by children.

In what type of sampling does every member of the population have an equal chance of selection in the sample?

• Convenience sampling

• Random sampling

• Snowball sampling

In an experiment, which group of participants is NOT EXPOSED to the independent variable?

• Both groups

• Experimental group

• Control group

• No groups

What is the name of a variable that affects the dependent variable and results in invalid data?

• Dependent variable

• Extraneous variable

• Confounding variable

Name the variable that is deliberately manipulated or varied by a researcher

• Independent variable

• Dependent variable

• Extraneous variable

• Confounding variable

Tags

NGSS.MS-PS2-2

What are the ethical considerations that researchers should consider when planning their psychological experiments?

(hint...there is more than one correct answer)

• Participant’s physical characteristics

• Informed consent

• Debriefing

• Safety

In what type of sampling do researchers use people who are easily available to them?

• Random sampling

• Convenience sampling

• Stratified sampling

Besides experimental research, what other type of research do research psychologists carry out?

• Correlational

• Anecdotal

• Qualitative

• Medical

In what experimental design do the same participants take part in both the experimental and control groups?

• Independent groups design

• Repeated measures design

• Matched participants design

In what experimental design are there different participants in the control and experimental conditions?

• Independent groups design

• Repeated measures design

• Matched participants design