Psychology Statistics

Year 12 Psychology - Data & Statistics

By Emma Baulch

Open Ended

Describe the difference between an observational and an experimental study.

Open Ended

Describe an advantage of an experimental study

Open Ended

Describe a disadvantage of an experimental study

Open Ended

Describe an advantage of an observational study

Open Ended

Describe a disadvantage of an observational study

Multiple Choice

Which research design allows researchers to infer causation, rather than just correlation?

• Experimental

• Observational

• Qualitative

• I don't know

Multiple Select

Using a widely-used subjective quantitative measure of mood like the Brief Mood Introspection Scale (BMIS) is likely to have:

• High validity

• Low validity

• High reliability

• Low reliability

Multiple Choice

The extent to which results can be generalised to 'real-life' applications is known as:

• Internal validity

• External validity

• Ecological validity

• Population validity

Multiple Choice

The extent to which results from a sample can be generalised to the wider population is known as:

• Internal validity

• External validity

• Ecological validity

• Population validity

Multiple Choice

The extent to which a study measures what it intends to measure is known as:

• Internal validity

• External validity

• Ecological validity

• Population validity

Multiple Select

What type of data are these examples? (pick 2)

- Heart rate / galvanic skin response

- Behavioural observations

- Level of neurotransmitters

• Subjective

• Objective

• Quantitative

• Qualitative

Multiple Select

What type of data are these examples? (pick 2)

- Stanford Sleepiness Scale (SSS)

- Brief Mood Introspection Scale (BMIS)

• Subjective

• Objective

• Quantitative

• Qualitative

Multiple Select

What type of data are these examples? (pick 2)

- Content analysis of Delphi technique, interview transcripts, or focus group transcipts.

• Subjective

• Objective

• Quantitative

• Qualitative

Multiple Choice

A researcher completes a survey and wants to know which age group made up the largest proportion of respondents.

Which measure of central tendency would be best?

• Mean

• Median

• Mode

Multiple Choice

A normal distribution is evident in a data set, and the researcher wants to know what the average response was.

Which measure of central tendency would be best?

• Mean

• Median

• Mode

Multiple Choice

A data set has a significant outlier.

Which measure of central tendency would be best?

• Mean

• Median

• Mode

Multiple Choice

A small standard deviation means that the data set has:

• Low variability

  (scores are mostly similar)

• High variability

  (scores are dispersed)

Multiple Select

A small data set is mostly likely to impact:

• External validity

• Internal validity

• Reliability

Multiple Select

Selecting a sample at random from a population refers to:

• Sampling procedures

• Random allocation