Who said researchers need to combine group and individual differences research, might find group results are a combination of several strategies each drawing on different systems?

What are the types of individual difference?

What does mathematical cognition attempt to do?

What is at the developmental core of mental arithmertic?

What did Sieger (1987) find?

Who compared Canadian and Chinese adults on 3 blocks of 100 multiplication problem between 0 and 9 timestable, and what was found?

What is the difference in language between English and Chinese in terms of numbers?

What did Miura et al. (1988) with distribution of correct counting responses?

Who replicated Mirua et al. (1988), introducing a block of 20?

What was the results of Towse and Saxton (1997) and explanations?

What is the number line task?

Who found second grader's number estimates is log relationship, and sixth is linear?

What is the explanation for younger children having a log relationship of number estimation?

Who found the number estimation relationship is linked with mathematical ability?

Who found better number estimation in younger children after training them?

Who suggested the log relationship of number estimation could be two regression lines?

Who found US children had log relationship of number estimation, and China was linear?

Who used a matched ability design, comparing scottish and Chinese children on number estimation? And what was found?

Who did the line estmation task in South American children, not using digits but dots instead?

What were the results of Dahaene et al. (2008)?

What do information-processing models often start with due to individual differences being harder to incorporate?

Who said individual differences seen as annoyance over challenge, variation proof of being unsuccessful in controlling it?