Jimmy Y. Zhong

15 Questions 62 Answers 0 Followers

Questions related from Jimmy Y. Zhong

What are some recent publications showing the predictor power of resting state brain acitivity for tasks done outside the MRI scanner?

Looking for recent articles (2018-2020) that showed resting state brain activity can predict cognitive task performance (e.g., attentional and executive functioning tasks) done in the lab AFTER...

10 January 2021 2,453 2 View

What is the lowest sample size for a fMRI study on the default mode network (DMN)?

I'm interested to start a fMRI study focusing on a group of professionals with special expertise. It's very difficult to recruit them. Just interested to about the smallest sample size possible...

20 November 2020 7,258 2 View

What is best method for computing mean RT of correct trials without info about RTs from incorrect trials?

The psychometric test I have presents 20 test trials to each subject. It does not record the response time (RT) taken toe complete each trial and all I have are the total times taken to complete...

08 November 2020 8,505 2 View

What are some recent spatial navigation studies that examined the differences between attention and perception?

Particularly with respect to distinct neural correlates of attentional and perceptual processes

27 January 2019 2,641 8 View

When performing post-hoc t-tests for a 2 x 2 ANOVA, is it absolutely mandatory to adjust the p-value to 0.025?

I recalled that it's all right to maintain the alpha at .05 without Bonferroni correction. Is Bonferroni adjustment absolutely mandatory to examine the simple main effects. For instance, for a 2...

08 August 2018 3,398 6 View

What are some notable papers on sex differences in optic flow perception?

Some suggestions of current empirical and review papers would help greatly - and of any variables that moderates the main sex effect.

19 June 2018 2,158 1 View

What difference does it make when using the Graded Response Model compared with the Generalized Partial Credit Model in IRT analysis?

The items could be survey or behavioral performance ratings scaled in accordance to an interval or ordinal format.

20 November 2017 3,872 3 View

Can I compute a composite score on theoretical grounds for two dependent variables if they are correlated significantly at 0.30?

I have two working memory measures obtained from two psychometric tests. One assessed verbal WM while the other assessed spatial WM. As such, the correlation between them is moderate. Can I sum...

28 July 2017 1,020 7 View

What is the value of getting a general liberal arts education in Asian countries that place greater emphasis on STEM disciplines?

Asking this with the Yale-NUS Liberal Arts College in mind, which is located in my home country of Singapore. Singapore has also emphasized STEM education.

21 July 2017 6,765 4 View

How relevant are Piaget's theories of spatial ability development for contemporary research on individual differences in spatial perception?

We learned in developmental psychology that Jean Piaget proposed a stage-like process in the acquisition of social and spatial percepts. How can we apply his developmental theories/concepts to...

19 May 2017 7,373 5 View

In multivariate statistical analysis, why is the Pillai's Trace more commonly referred to than the other statistics?

Other stats: Wilk's Lambda, Hotelling-Lawley Trace, Roy's Maximum Root.

16 May 2017 492 2 View

Will the Grit scale be of any use in assessing effective strategy use in solving complex math and physics problems?

Here the question does not pertain to the quiz/test performance per se (that validated the scale), but the use of effective strategies or techniques to tackle difficult math and physics questions.

03 May 2017 9,862 7 View

How does grid cells in the medial entorhinal cortex contribute to a moment-to-moment updating of our position and orientation in the environment?

I am particularly interested in the pyramidal cells found in layers II and III of the medial entorhinal cortex in both humans and rats.

06 April 2017 2,522 2 View

Is there anything amiss with splitting a group of subjects by the median of a continuous DV and comparing their performance with another group?

A median split on the continuous DV only and not on a continuous IV/predicotor to separate the group into two and THEN COMPARE THEM WITH A control group with respect to the SAME DV. Usually, a...

20 March 2017 2,984 13 View

Under what circumstances is it all right to perform a median-split analysis?

I want to divide a group of 20 participants into 2 subgroups based on their median performance value on a continuous variable, and then run t-test. Is this all right? If not, what is the problem,...

06 March 2017 8,352 5 View