Kroll and Crenshaw

what year did kroll and Crenshaw present their paper?

Who did they present the paper to?

What was the aim?

What design was used?

What sports were investigated?

How many footballers?

how many gymnasts?

how many wrestlers?

how many karate participants?

How many athletes were studied overall?

What did all the athletes represent?

What was their skill and achievement of?

What apparatus was used?

What was the first step of the procedure?

what was issued next?

what was issued next?

How was athletic quality controlled?

what was statistical analysis used for?

how many comparison groups were there?

Which comparison group didn't have a significant difference?

What does this suggest?

give 2 examples of opposite traits that footballers and gymnasts had

what was concluded?