To assess emotional over-involvement, the researchers looked at the extent to which family life centred on the child, and whether the mother was happy to leave her child with others and whether she has interests which are not related to the child.
When asked outside court if she was happy with the sentence, Tia's mother Natalie Sharp said "no".
BBC: Tia Sharp murder trial: Stuart Hazell jailed for 38 years
Listen, Happy Mother's Day to your lovely wife, Laurie, who is the mother of your lovely daughter, Blair Jamie.
The singer, who found fame for his dancing in the Happy Mondays in the late-1980s, flew into a rage about money and throttled Ms Ward - the mother of his two-year-old son - in May.
BBC: Mark Berry and former partner Monica Ward, pictured in 2006
"Girls were not encouraged to participate in sport because there were all these different type of myths: you're not going to be fertile, you're not going to get married one day, you're not going to have the so-called happy ending that would make any mother proud, " Shapinga says.
Cameron's mother Tracy said they were "really happy" with the outcome, as they had expected harsher sentences.
His daughter, he says, is not happy about it and has elected to stay with her mother for the time being.
Mr Simpson said the death of his father had turned his mother from "a happy, confident and independent woman" into a "shattered, nervous and a lonely widow".
Mr Hilton's mother Toni Garcia said her son had been happy but drunk during the wedding reception and had been handing out cash as presents to some of the children.
BBC: Ben Hilton drowned after sister's wedding, inquest hears
"There was a little bit of anxiety, but everybody was happy to be back in the swing of things, " said Sarah Swansiger, the mother of a kindergarten student.
In one of their previous games, Drakengard, they had a little girl whose mother had serious favoritism issues towards her son so the little girl got neglected to the point where she wanted to die just so she could make her mother happy for once.
The 37-year-old mother of two says she is drawn to the style of music and is happy to travel to do Zumba dance routines with 8, 000 other conventioneers to live music performed by artists like Wyclef Jean and Vanilla Ice.
Then she went home happy, positive and outgoing, just as she'd gone to school, her mother told the counselor.
"I am very proud of him -- the fact that he's Palestinian, he is popular, and he makes people happy, " his mother said.
CNN: 'Arab Idol's' first contestant from Gaza grabs spotlight
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