Quantitative 0.0 / 5 ? PsychologyVisual SystemUniversityAll boards Created by: bethhonessCreated on: 24-01-17 13:28 What is a within subjects design? ppts take part in both levels (repeated measures) 1 of 23 What is a between subjects design? ppts are assigned to one level of the IV (independent measures) 2 of 23 What are the 3 drawbacks of a BS design? 1) more ppts needed to get power for meaningful stats 2) group differences 3) may be problems interpreting results if groups are treated 'differently' 3 of 23 What is the main drawback of within subjects design? Order effects 4 of 23 How can order effects be resolved? Counterbalancing 5 of 23 What is a sample? individuals participating in a study 6 of 23 What is a population? the wider group about which you wish to learn 7 of 23 What is sampling? A method to select a study population (sample) that approximates a specific larger population that you aim to make inferences about 8 of 23 What is probability sampling? Using methods to ensure that sample is representative of the population we want to infer about. 9 of 23 What is non-probability (random sampling) A sample that is not structured to approximate population. 10 of 23 What are two types of probability sampling? 1) Random sampling 2) Stratified random sampling 11 of 23 What is random sampling? Every member of the population has an equal chance of being selected for participation but it does not account for population characteristics 12 of 23 What is stratified random sampling? Selecting a sample that matches important population characteristics 13 of 23 What is opportunity/available sampling? The 'take-whoever-comes-along' approach 14 of 23 What is quantitative data? data obtained by assigning numbers to events or objects in a systematic way 15 of 23 What is categorical data? Unordered (nominal) vs ordered (ordinal) 16 of 23 What is continuous data? Interval/ratio data 17 of 23 What is nominal data? the use of numbers as names for the category that an object or event belongs to 18 of 23 What is ordinal data? the size of the number does represent something about the quantity of whatever is being measured - numbers only used to place objects in order 19 of 23 What is interval data? The differences between the numbers are equal. and that indicates that there are equal differences in whatever is being measured. 20 of 23 What is ratio data? Has a true zero point, where ratios between numbers are meaningful. 21 of 23 What is a histogram? A special bar chart for continuous variables to see the shape of a data distribution. 22 of 23 What is a histogram bin size? The number of categories (bins) determines the number of bars in a histogram. 23 of 23
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