Sentence examples for difficulty has been observed from inspiring English sources

The same difficulty has been observed with real satellite data.

A trend towards finding strategies to overcome these difficulties has been observed in the literature and there is a consensus about the central role of regular faculty development programmes[ 4, 16, 21, 22].

Also, while perceived speech production difficulty is strongly correlated with the difficulty of the exercise task [10 12], significant inter-speaker variability has been observed despite these correlations.

A controlled style of interaction has been observed in women with eating disorders and offspring who feed with difficulty [ 19].

For example, an excess of excitatory synapses has been observed in patients who have autism spectrum disorders and exhibit difficulties in social interaction.

Guess what has been observed?

More activity has been observed since then.

Some success has been observed.

Memory difficulties in PTSD have been observed for retrieving both memories of the actual trauma (i.e., difficulties retrieving a coherent organized memory of the traumatic event) and autobiographical memories unrelated to the trauma.

Extensive experiments show that the proposed TF-IDF (LD) algorithm outperforms four strong baselines with more than 50%% gain in predicting the difficulty level of quizzes, where similar observations have been observed in the human evaluation task.

It is quite possible then that a speed-accuracy trade-off may have occurred, and with a time-limited face mental rotation task, difficulties with faces may have been observed.