What is an alternative hypothesis

What is a crucial feature of a hypothesis?

What kind of hypothesis is this:

Predicts an effect of the IV on DV but not the direction of that effect

What kind of hypothesis is this:

Predicts the direction of the relationship between variables

What kind of hypothesis is this:

There will be a difference between how much food tall people and short people eat

What kind of hypothesis is this:

Dogs will be perceived as better pets than cats

What kind of hypothesis is this:

Eating more candy will lead to greater chance of diabetes later in life

What kind of hypothesis is this:

There will be no association between running speed and exhaustion levels

What kind of hypothesis is this:

Any relationship between gender and liking of the colour pink is due to chance

What kind of hypothesis is this:

People are more likely to drop rubbish on the ground when there is already rubbish on the ground

What kind of hypothesis is this:

Watching TV will have an effect on happiness levels