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Define
When asked to define it is essential that a very clear and correct definition is given of a specific word or concept. For example: Define what is meant by a free-trade area.
Describe
Asks students to provide a description of a given situation. It is a neutral request to present a detailed picture. For example: Describe the main roles of the IMF and the World Bank.
Discuss
Asks students to consider a statement or to offer a considered review of or balanced argument about a particular topic. For example: Discus the view that trade is more effective than aid in promoting economic development.
Distinguish
Asks students to make clear their understanding of similar terms. For example: Distinguish between normal and supernormal profit.
Evaluate
Invites students to make an appraisal of a situation. Students should weigh the nature of the evidence available and discuss the convincing aspects of an argument as well as its implications and limitations, and the less convincing elements within an argument. For example: Evaluate alternative policies designed to reduce inflation.
Evaluation occurs when a judgment is made. It is the weighing or measuring of factors followed by an attempt to give relative weight to those factors. Questions that begin "evaluate", "assess", "critically assess", "discuss" or "to what extent" require students to show their skills of evaluation in order to reach the highest achievement levels.

There are many ways that students can be encouraged to improve their skills of evaluation.

• When factors such as causes, consequences or remedies are asked for, students should attempt to identify the most important ones and then to justify the reason for the choice.
  
• When advantages and disadvantages are asked for, students should attempt to identify the most important advantage (or disadvantage) and then justify the reason for the choice.
  
• When strategies are asked for, students should attempt to assess the short term and long term implications.
  
• When data is offered, students may question its validity, in terms of whether it is appropriate, whether it is reliable, or whether it is still relevant
  
• When summarizing a theory, students may question its validity, in terms of whether it is appropriate, whether it is reliable, or whether it is still relevant.
  

Explain
Directs students to describe clearly, make intelligible and give reasons for a concept or idea. For example: Explain why a monopolist may charge different prices to different customers for the same service.
How
A how question requires the details be explained about how something is achieved or has been stopped or whatever other exercise the question is asking you to perform.
Justify
A justify question is asking a student to explain the reasons why or for what reason something is happening or maybe not happening.
Outline
Outline really only requires the main features relating to the issue to be given.  Try to say the reason why a thing may or may not happen.
To what extent
Asks students to evaluate the success or otherwise of one argument or concept over another. Students should present a conclusion, supported by arguments. For example: To what extent should LDCs adopt outward-oriented strategies rather than inward-oriented strategies to promote economic development?
What
Asks students to clarify the nature of something, in contrast to either a temporal dimension (when?) or a spatial dimension (where?) For example: What is the difference between a tariff and a quota?    .
What is
This question calls for the student to give an explanation about something. It should be fairly obvious as to what is the central theme or part of a question and the topic you are being asked to address.
Which
This question is asking you to make a decision from the range of choices, decisions or methods etc. You must offer reasons as to why you chose to support the decision that you did.
Why
Invites students to present reasons for the existence of something. This command word implies a powerful requirement to present a judgment. It is similar to the Invitation "account for". For example: Why do prices tend to be stable in an oligopolistic industry?