Predictive validity is when a test can predict a future outcome. To assess predictive, researchers examine how the results of a test predict future performance.
A statistical function that describes all the possible values and probabilities for a random variable within a given range. It depicts the expected outcomes of possible values for given data-generating process.
Refers to asking follow-up questions when one does not fully understand a response, when answers are vague or ambiguous or when we want to obtain more specific or in-depth information.
It is a technique where people give their answers in one word or phrase and then ask the other person what comes to mind first. A survey method asking participants to provide information about themselves without their knowledge. The technique that allows respondents to project their subjective or true opinions and beliefs onto other people or even objects
Is a type of treatment based on the theory that our present is shaped by our past. The unacknowledged meaning of personal experiences can influence our mood and behaviour, and contribute to problems with relationships, work and self-esteem.
The first section in a psychological report or journal. It includes a summary of the aim, hypothesis, method, results and conclusion; it provides an overview of the entire report.
Also known as judgemental selective or subjective sampling, is a form of non-probability sampling in which researchers rely on their own judgement when choosing members of the population to participate in their surveys.
A research method that aims to gather and analyse non-numerical data in order to gain an understanding of individual’s social reality, including their attitudes, beliefs, behaviour and interactions.