The research process
Eating chocolate affects memory
Eating chocolate increases memory power
Eating chocolate affects memory
Eating chocolate makes no difference to memory power
IV= Chocolate eaten DV= Memory
Firstly give a person a memory test to remember 10 numbers in order then give the same person a bar of chocolate and give them another number test with different numbers, if with chocolate, more numbers are remembered, then chocolate has an impact on memory.
To control confounding variables, if you repeat it, use people of a similar age so that their natural memory powers are similar. People with similar IQ’s, and the same time of day.
Rabbits are more aggressive than guinea pigs
Rabbits are more aggressive than guinea pigs.
Rabbits have different levels of aggression to guinea pigs.
Rabbits and guinea pigs have the same level of aggression.
IV= Rabbits and guinea pigs DV= levels of aggression
Get someone to put a stick into each of the animals cages, the one that bites the stick and tries to kill is the more aggressive on.
Do the tests at the same type of day, use animals that are of a similar, give them the same stick and the same temperature.
The more positive a person’s mood the better they can concentrate
The more positive a person’s mood the better they can concentrate
The mood of a person affects how they can concentrate
The mood of a person does not have any effect on how they can concentrate
IV= the mood of a person DV= the levels of concentration
Find 10 people with different moods, get them to focus on a moving object the mood who can’t concentrate is your answer.
Do this test at the same time of day, with a similar age group, similar temperature and gender
Fitness affects self-esteem
Fitness boosts self-esteem
Fitness affects self-esteem
Fitness has no effect on self-esteem
IV= Fitness DV= self-esteem
Find 10 people of different fitness, and ask them how they feel about themselves, if the people who are fit have more self-esteem; then the hypothesis is correct
Get people of a similar age, and personality
Music enhances peoples learning skills
Music enhances peoples learning skills
Music affects peoples learning skills
Music has no effect on learning skills
IV= Students DV= Learning skills
Get 10 people who do music and 10 people who don’t and ask them to learn a piece of writing, if the musicians learn better, then the hypothesis is correct
Get people of a similar age and intelligence, do it at the same time of day and give people standard instructions
Uniforms have an effect on people’s level of obedience
Uniforms boost people’s level of obedience
Uniforms have an effect on people’s level of obedience
Uniforms have no effect on people’s level of obedience
IV=Uniforms DV=Levels of obedience
Find 10 schools that wear uniform and 10 schools that don’t wear a uniform and get the teachers of each school to rate the levels of obedience on a scale of 1-10.
Use schools that have similar gender and intelligence
Having children affects your sex life
Having children boosts your sex life
Having children affects your sex life
Having children has no effect on your sex life
IV= Amount of children that couples have DV= Sex life
Find couples who have children and couples who don’t and get them to rate their sex life on a scale of 1-10
Similar age and similar amount of children
Smells help us remember
Smells help us remember
Smells affect them amount of stuff we remember
Smells have no effect on how much we can remember
IV= Smells DV= how much people can remember
Give 5 people familiar smells and see if they remember their memories, also show five people picture memories and see which is remembered more.
Get people of a similar age, similar time of day, and same gender
Psychologists are more likely to talk to themselves than psychiatric patients.
Psychologists are more likely to talk to themselves than psychiatric patients.
Psychologists talk to themselves differently than psychiatric patients
Psychologists talk to themselves for the same amount of time as psychiatric patients
IV= Psychologists and psychiatric patients DV=Amount of time talked to self
Ask 10 psychologists and psychiatric patients if they talk to themselves and if so how long for.
People of a similar age, similar personality, similar time of day
Cats affect our stress levels
Cat reduce our stress levels
Cats affect our stress levels
Cats have no effect on our stress levels
IV=Amount of cats someone has DV=Stress levels
Find 10 people with cats and 10 people without cats and get each person to rate their amount of stress
People with a similar personality and same gender. 