# A-AS Level (CIE) Psychology: Specimen Questions with Answers 89 - 90 of 299

## Question 89

### Explanation

Catatonia- Alternating immobility and excited agitation

Hebephrenic- Silly and immature emotionality

Paranoia- Delusions of Grandeur or persecution

## Question 90

Edit

### Write in Short

Short Answer▾Define sampling and the following terminologies (Mark 10)

- Population
- Sample
- Sample size
- Sampling unit
- Sampling frame

### Explanation

Sampling is the process of selection of units (e. g. people, organization) from a population of interest so that by studying the sample may fairly generate results back to the population from which they were chosen

- Population- Well defined set up of all elements pertaining to a given characteristic. It refers to the whole that include all observations or measurements of a given characteristic.
- University students, college teachers are some examples of population
- Sample- Any number of persons selected to represent the population and thus sample is a smaller representation of the population
- Sample size- Number of selected individual for example number of students, families from whom you obtain the required information is called the sample size and usually denoted by (n)
- Sampling unit- Each individual or case that becomes the basis for selecting a sample is called sampling unit or sampling elements
- Sampling frame- The list of people from which the sample is taken. It should be comprehensive, complete and up-to-date. Examples of sampling frame: Electoral file, postcode address file and telephone book