Quiz on Research Methodology and Biological Approach

A study carried out by Mikton (2011) found that there is a correlation between the number of hours that students spend on their laptops and their physical health. Which of the following statements would not be potentially true about these findings?

• The reason for an improvement or decrease in a student's health may have nothing to do with laptop use.

• As laptop use increases, the students' physical health improved.

• As laptop use increases, the students' physical health decreased.

• Laptop use is the cause of a decrease in students' physical health.

The sampling method which can be generalized to the widest, most general population is:

• Random sample

• Purposive sample

• Stratified sample

• Self-selected sample

Which sampling technique makes use of a pre-existing group?

• Opportunity (convenience) sampling

• Purposive sampling

• Snowball sampling

• Stratified sampling

Which of the following sampling techniques would be best if you were trying to get a sample of people in Prague that were married to people of another culture?

• Haphazard sampling

• Opportunity (convenience) sampling

• Random sampling

• Snowball sampling

When testing the difference in memory skills for two groups, one group ended up having more non-native English speakers in it than the other. This is something the researcher could have controlled for but didn't and this may affect the results. This is an example of

• a confounding variable

• an Independent variable

• a dependent variable

When participants guess the hypothesis of a study and then act accordingly.

• researcher bias

• reflexivity

• demand characteristics

When a researcher analyzes a complex behaviour by studying the simplest, most basic mechanisms that are believed to be responsible for the behaviour she is using the

• quantitative approach

• sociocultural approach

• a reductionist approach

• a cognitive approach

Using multiple data sources, multiple researchers or multiple research methods in an investigation to reach a richer understanding of a behaviour or cognitive process is an example of

• research

• triangulation

• discussion

• observation

Acetylcholine is a

• neurotransmitter

• hormone

Adrenaline is a chemical secreted by the adrenal glands and stimulates the sympathetic nervous system and prepares the body for fight or flight. It is a

• neurotransmitter

• hormone