1) What is the main difference between an aim and a hypothesis? a) An aim is a prediction, a hypothesis is a theory b) An aim is what the researcher wants to find out, a hypothesis is a testable prediction c) An aim is a conclusion, a hypothesis is a question d) An aim and a hypothesis mean the same thing 2) What makes a hypothesis testable? a) It is vague and general b) It can be measured and operationalised c) It is based on a theory d) It supports previous research 3) What does a one-tailed (directional) hypothesis predict? a) No relationship between variables b) A difference, but not the direction c) The direction of the difference or relationship d) That the hypothesis will be rejected 4) Which of the following is a two-tailed (non-directional) hypothesis? a) People who sleep more than 8 hours will have better concentration b) There will be no difference in concentration between sleep groupsple who sleep more or less than 8 hours c) People who sleep less than 8 hours will have worse concentration d) There will be a difference in concentration between peod) There will be no difference in concentration between sleep groups 5) What does the null hypothesis (H₀) predict? a) There will be a significant effect b) The IV will affect the DV c) There will be no significant difference or relationship d) Results will support the experimental hypothesis 6) When do psychologists use a directional hypothesis? a) When there is no past research b) When past research gives a clear idea of what to expect c) When they want to keep options open d) When testing a null hypothesis 7) What is meant by operationalising a hypothesis? a) Making it sound more scientific b) Adding control variables c) Clearly defining how variables will be measured d) Turning it into a theory 8) What is the purpose of a pilot study? a) To test the hypothesis b) To see if the experiment design works before the main study c) To recruit participants d) To collect preliminary data for results 9) What is a confederate in research? a) A participant who drops out of a study b) A person who acts as part of the experiment but is aware of its purpose c) A researcher collecting data d) An observer watching participants 10) Which of the following is an example of a directional correlational hypothesis? a) a) There will be no relationship between stress and illness b) b) There will be a relationship between stress and illness c) c) Higher stress levels will be associated with higher levels of illness d) d) People with more stress will not get ill

Hypothesis

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