Psychology - Research Methods Questions And Answers 100% Verified A+ Guaranteed

What is volunteer sampling? {Ans: The sample is self selected. This involves advertising the study and providing contact details, so that individuals respond if they wish to participate in the study. Eg- placing an advertisement in a local newspaper that asks for volunteers to telephone the number provided if they want to take part}What is qualitative data {Ans: Descriptive data expressed in words, often consisting of more detail. It includes the context of data so the quality of information is generally better.}What is internal validity? {Ans: - Investigator effects - Demand Characteristics - Social Desirability}What is a matched pairs design? {Ans: Uses different participants in each condition but attempts to match them on important characteristics}What are the features of a scientific experiment? {Ans: Theory Hypothesis Testing Empirical Methods Objectivity Replication Y (Falsifiability)}What are bar charts {Ans: - used to make comparisons between scores and are used with groups of data ( discrete data ) - the frequency/ amount of data is plotted on the vertical y axis and category data is plotted on the horizontal x axis}What is a non-directional hypothesis? {Ans: A two tailed hypothesis - it wont specify the expected direction