Week 1: Intro to Stats
A bell curve represents...
A normal distribution
Define the IV?
Independent Variable: the variable being manipulated
Research that uses numerical data?
Quantitative
In a normal distribution, where do most of the scores fall?
Closest to the mean
Define the DV?
Dependent Variable: variable being measured
Prediction about an experimental outcome?
Hypothesis
Mean, mode and median are measures of what?
Cental tendency
The consistency of a Psychometric Measure is?
Reliability
A prediction that there will be no significance differences between groups?
Null Hypothesis
Z score is an example of what?
A standardised score
How well a Psychometric Measure tests what it is meant to test?
Validity
Main issue with conducting Laboratory observational research?
Ecological Validity: can results be generalised outside of the lab
95% of the population fall between what Z scores below and above the mean?
-1.96 to 1.96
Research that does not use numerical data?
Qualitative
What research design would I use if I want to look at the effect that hours of study have on exam results?
Correlational design