Research methods Flashcards
What is meant by experimental method?
Involves the manipulation of the independent variable to measure the effect on the independent variable.
What is the aim of a study?
A general statement of what the researcher intends to investigate, the purpose of the study.
What is a hypothesis?
A statement made at the beginning of the study which clearly state the relationship between the variables to be investigated.
What is a directional hypothesis?
One that states the sort of difference that is expected between the groups or conditions.
What is a non directional hypothesis?
One that simply states there is a difference between the two groups or conditions but does not state the nature of the difference.
What is ordinal data?
Data ordered in some way such as a 1-10 scale . the data does nor have equal intervals between each unit. It is based on subjective opinion rather than objective measures.
What is nominal data?
Data represented in the form of categories, nominal data is discrete as one its can only appear in one category.
What is interval data?
based on numerical scales that include unit of equal, precisely defined size. such as stopwatches or scales.
