Topic 28 - studies using correlational analysis

what is correlational analysis?

what must these variables be?

what does a zero-correlation show?

what does a positive correlation show?

what does a negative correlation show?

what does co-variable coefficient tell you?

what can the numbers be between?

what would a weak correlation look like on a scattergram?

what counts as a low coefficient?

what would a strong correlation look like on a scattergram?

what would a high correlation coefficient be?

what would 3 possible directional hypotheses be for correlational analysis?

what is an example of a non-directional hypothesis for a correlational analysis?

what is a strength of correlational analysis?

how does it show this?

what can be done if correlation is strong?

what is another strength of correlational analysis?

why could this be used?

what is a limitation of correlational analysis?

what often happens when interpreting correlations?

when is a correlation often portrayed as the cause?

what is a second limitation of correlational analysis?

what is an example of this?

however what may this be due to?

so what would the working mother act as?

what is validity?

what is validity related to?

what is reliability related to?